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Finding the Fourth Proportional to 62,117.97, 85,720.46 and 37,959.33

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Solution

The fourth proportional to 62,117.97, 85,720.46 and 37,959.33 is: 52,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,117.97 : 85,720.46 = 37,959.33 : x
  2. Step 2: Convert to fraction form
    62,117.97/85,720.46 = 37,959.33/x
  3. Step 3: Cross multiply
    62,117.97x = 85,720.46 × 37,959.33
  4. Step 4: Simplify right side
    62,117.97x = 3,253,891,439.74
  5. Step 5: Solve for x
    x = 3,253,891,439.74/62,117.97
  6. Step 6: Final answer
    x = 52,382.45

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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.