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Finding the Fourth Proportional to 6,251.44, 9,378.43 and 2,553.97

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Solution

The fourth proportional to 6,251.44, 9,378.43 and 2,553.97 is: 3,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.44 : 9,378.43 = 2,553.97 : x
  2. Step 2: Convert to fraction form
    6,251.44/9,378.43 = 2,553.97/x
  3. Step 3: Cross multiply
    6,251.44x = 9,378.43 × 2,553.97
  4. Step 4: Simplify right side
    6,251.44x = 23,952,217.80
  5. Step 5: Solve for x
    x = 23,952,217.80/6,251.44
  6. Step 6: Final answer
    x = 3,831.47

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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.