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Finding the Fourth Proportional to 62,472.48, 86,249.52 and 38,631.12

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Solution

The fourth proportional to 62,472.48, 86,249.52 and 38,631.12 is: 53,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.48 : 86,249.52 = 38,631.12 : x
  2. Step 2: Convert to fraction form
    62,472.48/86,249.52 = 38,631.12/x
  3. Step 3: Cross multiply
    62,472.48x = 86,249.52 × 38,631.12
  4. Step 4: Simplify right side
    62,472.48x = 3,331,915,557.06
  5. Step 5: Solve for x
    x = 3,331,915,557.06/62,472.48
  6. Step 6: Final answer
    x = 53,334.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.