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Finding the Fourth Proportional to 58,474.27, 80,691.18 and 32,979.11

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Solution

The fourth proportional to 58,474.27, 80,691.18 and 32,979.11 is: 45,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,474.27 : 80,691.18 = 32,979.11 : x
  2. Step 2: Convert to fraction form
    58,474.27/80,691.18 = 32,979.11/x
  3. Step 3: Cross multiply
    58,474.27x = 80,691.18 × 32,979.11
  4. Step 4: Simplify right side
    58,474.27x = 2,661,123,493.93
  5. Step 5: Solve for x
    x = 2,661,123,493.93/58,474.27
  6. Step 6: Final answer
    x = 45,509.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.