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Finding the Fourth Proportional to 43,691.60, 65,537.76 and 27,099.92

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Solution

The fourth proportional to 43,691.60, 65,537.76 and 27,099.92 is: 40,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,691.60 : 65,537.76 = 27,099.92 : x
  2. Step 2: Convert to fraction form
    43,691.60/65,537.76 = 27,099.92/x
  3. Step 3: Cross multiply
    43,691.60x = 65,537.76 × 27,099.92
  4. Step 4: Simplify right side
    43,691.60x = 1,776,068,052.98
  5. Step 5: Solve for x
    x = 1,776,068,052.98/43,691.60
  6. Step 6: Final answer
    x = 40,650.10

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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.