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Finding the Fourth Proportional to 2,672.48, 3,687.17 and 2,043.92

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Solution

The fourth proportional to 2,672.48, 3,687.17 and 2,043.92 is: 2,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.48 : 3,687.17 = 2,043.92 : x
  2. Step 2: Convert to fraction form
    2,672.48/3,687.17 = 2,043.92/x
  3. Step 3: Cross multiply
    2,672.48x = 3,687.17 × 2,043.92
  4. Step 4: Simplify right side
    2,672.48x = 7,536,251.85
  5. Step 5: Solve for x
    x = 7,536,251.85/2,672.48
  6. Step 6: Final answer
    x = 2,819.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.