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5.4 Solving Proportions - McGraw Hill Education

4 5 n 25 Example 2 Solving Proportions for Unknown Values (a) Solve the proportion for x. To check, replace x with 48 in the original proportion. 12 12 3 4 1 4 48 1 4 3 4 48 x 48 x 4 12 1 4 1 4 x 1 4 12 1 4 1 4 x 12 1 4 3 4 x We divide by the coefficient of x. In this case it is . Remember: is .

  Solving, Proportions, Solving proportions, 4 solving proportions, 4 3 4