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If you are trying to read a map, there is MOST LIKELY a scale factor (i.e. 1 inch=2.5 miles. You could also use it in blueprints, like if you want to rearrange you bedroom. You can't fit your bedroom on a piece of computer paper! So you may use a scale factor for that (i.e. 1/2 in.= 1 foot).
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What is similar about scale factor and proportions?
proportions are used in scale factors; scale factors ARE proportions
What would be the scale factor if you used a copy machine with the size factor of 150 percent?
1.5 to 1
How is a scale different from a scale factor?
A scale is the ratio of the contracted or dilated form with respect to the original form (the ratio of the sizes before and after the scaling operation). The scale factor is the magnitude of the scaling contraction or dilation (the shrinking or expanding) used in the scaling operation.
Are proportions used in real life?
Proportions are used in real life to determine prices of things.
If an image is reduced by a scale factor of 75 percent what scale factor is used to return the image to its original size?
75%= .75 = 3/4 So, to scale it down, it was multiplied by a factor of 3/4. To get it back up, divide by 3/4 (which is to say, multiply by 4/3 = 1.3333 = 133.33%
