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Finding the Fourth Proportional to 29,761.92, 44,645.04 and 8,987.04

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Solution

The fourth proportional to 29,761.92, 44,645.04 and 8,987.04 is: 13,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,761.92 : 44,645.04 = 8,987.04 : x
  2. Step 2: Convert to fraction form
    29,761.92/44,645.04 = 8,987.04/x
  3. Step 3: Cross multiply
    29,761.92x = 44,645.04 × 8,987.04
  4. Step 4: Simplify right side
    29,761.92x = 401,226,760.28
  5. Step 5: Solve for x
    x = 401,226,760.28/29,761.92
  6. Step 6: Final answer
    x = 13,481.21

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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.