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Finding the Fourth Proportional to 5,761.52, 7,948.92 and 3,493.59

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Solution

The fourth proportional to 5,761.52, 7,948.92 and 3,493.59 is: 4,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.52 : 7,948.92 = 3,493.59 : x
  2. Step 2: Convert to fraction form
    5,761.52/7,948.92 = 3,493.59/x
  3. Step 3: Cross multiply
    5,761.52x = 7,948.92 × 3,493.59
  4. Step 4: Simplify right side
    5,761.52x = 27,770,267.42
  5. Step 5: Solve for x
    x = 27,770,267.42/5,761.52
  6. Step 6: Final answer
    x = 4,819.96

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1.5x scale

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.