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Finding the Fourth Proportional to 63,629, 95,427.72 and 21,508.14

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Solution

The fourth proportional to 63,629, 95,427.72 and 21,508.14 is: 32,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,629 : 95,427.72 = 21,508.14 : x
  2. Step 2: Convert to fraction form
    63,629/95,427.72 = 21,508.14/x
  3. Step 3: Cross multiply
    63,629x = 95,427.72 × 21,508.14
  4. Step 4: Simplify right side
    63,629x = 2,052,472,761.64
  5. Step 5: Solve for x
    x = 2,052,472,761.64/63,629
  6. Step 6: Final answer
    x = 32,256.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.