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Finding the Fourth Proportional to 17,940.48, 24,757.87 and 10,387.21

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Solution

The fourth proportional to 17,940.48, 24,757.87 and 10,387.21 is: 14,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.48 : 24,757.87 = 10,387.21 : x
  2. Step 2: Convert to fraction form
    17,940.48/24,757.87 = 10,387.21/x
  3. Step 3: Cross multiply
    17,940.48x = 24,757.87 × 10,387.21
  4. Step 4: Simplify right side
    17,940.48x = 257,165,042.02
  5. Step 5: Solve for x
    x = 257,165,042.02/17,940.48
  6. Step 6: Final answer
    x = 14,334.34

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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.