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Finding the Fourth Proportional to 47,691.62, 71,493.63 and 16,505.06

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Solution

The fourth proportional to 47,691.62, 71,493.63 and 16,505.06 is: 24,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,691.62 : 71,493.63 = 16,505.06 : x
  2. Step 2: Convert to fraction form
    47,691.62/71,493.63 = 16,505.06/x
  3. Step 3: Cross multiply
    47,691.62x = 71,493.63 × 16,505.06
  4. Step 4: Simplify right side
    47,691.62x = 1,180,006,652.77
  5. Step 5: Solve for x
    x = 1,180,006,652.77/47,691.62
  6. Step 6: Final answer
    x = 24,742.43

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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.