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Finding the Fourth Proportional to 16,251.25, 24,376.89 and 3,939.25

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Solution

The fourth proportional to 16,251.25, 24,376.89 and 3,939.25 is: 5,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.25 : 24,376.89 = 3,939.25 : x
  2. Step 2: Convert to fraction form
    16,251.25/24,376.89 = 3,939.25/x
  3. Step 3: Cross multiply
    16,251.25x = 24,376.89 × 3,939.25
  4. Step 4: Simplify right side
    16,251.25x = 96,026,663.93
  5. Step 5: Solve for x
    x = 96,026,663.93/16,251.25
  6. Step 6: Final answer
    x = 5,908.88

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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.