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Finding the Fourth Proportional to 62,686.80, 93,977.52 and 29,389.32

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Solution

The fourth proportional to 62,686.80, 93,977.52 and 29,389.32 is: 44,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,686.80 : 93,977.52 = 29,389.32 : x
  2. Step 2: Convert to fraction form
    62,686.80/93,977.52 = 29,389.32/x
  3. Step 3: Cross multiply
    62,686.80x = 93,977.52 × 29,389.32
  4. Step 4: Simplify right side
    62,686.80x = 2,761,935,408.09
  5. Step 5: Solve for x
    x = 2,761,935,408.09/62,686.80
  6. Step 6: Final answer
    x = 44,059.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.