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Finding the Fourth Proportional to 23,343.88, 34,909.32 and 17,424.88

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Solution

The fourth proportional to 23,343.88, 34,909.32 and 17,424.88 is: 26,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,343.88 : 34,909.32 = 17,424.88 : x
  2. Step 2: Convert to fraction form
    23,343.88/34,909.32 = 17,424.88/x
  3. Step 3: Cross multiply
    23,343.88x = 34,909.32 × 17,424.88
  4. Step 4: Simplify right side
    23,343.88x = 608,290,711.88
  5. Step 5: Solve for x
    x = 608,290,711.88/23,343.88
  6. Step 6: Final answer
    x = 26,057.82

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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.