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Finding the Fourth Proportional to 44,863.04, 67,301.86 and 13,691

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Solution

The fourth proportional to 44,863.04, 67,301.86 and 13,691 is: 20,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,863.04 : 67,301.86 = 13,691 : x
  2. Step 2: Convert to fraction form
    44,863.04/67,301.86 = 13,691/x
  3. Step 3: Cross multiply
    44,863.04x = 67,301.86 × 13,691
  4. Step 4: Simplify right side
    44,863.04x = 921,429,765.26
  5. Step 5: Solve for x
    x = 921,429,765.26/44,863.04
  6. Step 6: Final answer
    x = 20,538.73

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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.