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Finding the Fourth Proportional to 3,951.43, 5,929.43 and 2,394.54

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Solution

The fourth proportional to 3,951.43, 5,929.43 and 2,394.54 is: 3,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.43 : 5,929.43 = 2,394.54 : x
  2. Step 2: Convert to fraction form
    3,951.43/5,929.43 = 2,394.54/x
  3. Step 3: Cross multiply
    3,951.43x = 5,929.43 × 2,394.54
  4. Step 4: Simplify right side
    3,951.43x = 14,198,257.31
  5. Step 5: Solve for x
    x = 14,198,257.31/3,951.43
  6. Step 6: Final answer
    x = 3,593.19

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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.