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To make a value over 21 equivalent to ( \frac{4}{7} ), you can set up a proportion. Let ( x ) be the number you want to find:

[ \frac{x}{21} = \frac{4}{7} ]

Cross-multiplying gives ( 7x = 84 ). Solving for ( x ) results in ( x = 12 ), meaning ( 12 ) over ( 21 ) is equivalent to ( \frac{4}{7} ).

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AnswerBot

1w ago

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