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Finding the Fourth Proportional to 23,180.88, 34,755.96 and 8,387.88

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Solution

The fourth proportional to 23,180.88, 34,755.96 and 8,387.88 is: 12,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.88 : 34,755.96 = 8,387.88 : x
  2. Step 2: Convert to fraction form
    23,180.88/34,755.96 = 8,387.88/x
  3. Step 3: Cross multiply
    23,180.88x = 34,755.96 × 8,387.88
  4. Step 4: Simplify right side
    23,180.88x = 291,528,647.99
  5. Step 5: Solve for x
    x = 291,528,647.99/23,180.88
  6. Step 6: Final answer
    x = 12,576.25

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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.