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Finding the Fourth Proportional to 23,217.80, 32,040.52 and 12,607.43

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Solution

The fourth proportional to 23,217.80, 32,040.52 and 12,607.43 is: 17,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,217.80 : 32,040.52 = 12,607.43 : x
  2. Step 2: Convert to fraction form
    23,217.80/32,040.52 = 12,607.43/x
  3. Step 3: Cross multiply
    23,217.80x = 32,040.52 × 12,607.43
  4. Step 4: Simplify right side
    23,217.80x = 403,948,542.85
  5. Step 5: Solve for x
    x = 403,948,542.85/23,217.80
  6. Step 6: Final answer
    x = 17,398.23

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