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Finding the Fourth Proportional to 16,251.32, 24,376.97 and 3,939.32

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Solution

The fourth proportional to 16,251.32, 24,376.97 and 3,939.32 is: 5,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.32 : 24,376.97 = 3,939.32 : x
  2. Step 2: Convert to fraction form
    16,251.32/24,376.97 = 3,939.32/x
  3. Step 3: Cross multiply
    16,251.32x = 24,376.97 × 3,939.32
  4. Step 4: Simplify right side
    16,251.32x = 96,028,563.58
  5. Step 5: Solve for x
    x = 96,028,563.58/16,251.32
  6. Step 6: Final answer
    x = 5,908.97

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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.