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Finding the Fourth Proportional to 62,612.97, 86,414.76 and 38,747.33

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Solution

The fourth proportional to 62,612.97, 86,414.76 and 38,747.33 is: 53,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,612.97 : 86,414.76 = 38,747.33 : x
  2. Step 2: Convert to fraction form
    62,612.97/86,414.76 = 38,747.33/x
  3. Step 3: Cross multiply
    62,612.97x = 86,414.76 × 38,747.33
  4. Step 4: Simplify right side
    62,612.97x = 3,348,341,028.85
  5. Step 5: Solve for x
    x = 3,348,341,028.85/62,612.97
  6. Step 6: Final answer
    x = 53,476.80

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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.