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Finding the Fourth Proportional to 71,507.97, 98,331.08 and 62,060.13

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Solution

The fourth proportional to 71,507.97, 98,331.08 and 62,060.13 is: 85,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,507.97 : 98,331.08 = 62,060.13 : x
  2. Step 2: Convert to fraction form
    71,507.97/98,331.08 = 62,060.13/x
  3. Step 3: Cross multiply
    71,507.97x = 98,331.08 × 62,060.13
  4. Step 4: Simplify right side
    71,507.97x = 6,102,439,297.54
  5. Step 5: Solve for x
    x = 6,102,439,297.54/71,507.97
  6. Step 6: Final answer
    x = 85,339.29

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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.