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Finding the Fourth Proportional to 62,906.28, 86,813.05 and 36,053.97

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Solution

The fourth proportional to 62,906.28, 86,813.05 and 36,053.97 is: 49,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,906.28 : 86,813.05 = 36,053.97 : x
  2. Step 2: Convert to fraction form
    62,906.28/86,813.05 = 36,053.97/x
  3. Step 3: Cross multiply
    62,906.28x = 86,813.05 × 36,053.97
  4. Step 4: Simplify right side
    62,906.28x = 3,129,955,145.38
  5. Step 5: Solve for x
    x = 3,129,955,145.38/62,906.28
  6. Step 6: Final answer
    x = 49,755.85

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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.