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Finding the Fourth Proportional to 5,691.60, 8,487.18 and 5,488.56

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Solution

The fourth proportional to 5,691.60, 8,487.18 and 5,488.56 is: 8,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.60 : 8,487.18 = 5,488.56 : x
  2. Step 2: Convert to fraction form
    5,691.60/8,487.18 = 5,488.56/x
  3. Step 3: Cross multiply
    5,691.60x = 8,487.18 × 5,488.56
  4. Step 4: Simplify right side
    5,691.60x = 46,582,396.66
  5. Step 5: Solve for x
    x = 46,582,396.66/5,691.60
  6. Step 6: Final answer
    x = 8,184.41

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.