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Finding the Fourth Proportional to 62,414.16, 86,131.80 and 35,557.80

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Solution

The fourth proportional to 62,414.16, 86,131.80 and 35,557.80 is: 49,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,414.16 : 86,131.80 = 35,557.80 : x
  2. Step 2: Convert to fraction form
    62,414.16/86,131.80 = 35,557.80/x
  3. Step 3: Cross multiply
    62,414.16x = 86,131.80 × 35,557.80
  4. Step 4: Simplify right side
    62,414.16x = 3,062,657,318.04
  5. Step 5: Solve for x
    x = 3,062,657,318.04/62,414.16
  6. Step 6: Final answer
    x = 49,069.91

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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.