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Finding the Fourth Proportional to 23,044.91, 34,540.02 and 20,387.70

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Solution

The fourth proportional to 23,044.91, 34,540.02 and 20,387.70 is: 30,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,044.91 : 34,540.02 = 20,387.70 : x
  2. Step 2: Convert to fraction form
    23,044.91/34,540.02 = 20,387.70/x
  3. Step 3: Cross multiply
    23,044.91x = 34,540.02 × 20,387.70
  4. Step 4: Simplify right side
    23,044.91x = 704,191,565.75
  5. Step 5: Solve for x
    x = 704,191,565.75/23,044.91
  6. Step 6: Final answer
    x = 30,557.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.