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Finding the Fourth Proportional to 3,387.98, 5,082.39 and 1,196.27

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Solution

The fourth proportional to 3,387.98, 5,082.39 and 1,196.27 is: 1,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.98 : 5,082.39 = 1,196.27 : x
  2. Step 2: Convert to fraction form
    3,387.98/5,082.39 = 1,196.27/x
  3. Step 3: Cross multiply
    3,387.98x = 5,082.39 × 1,196.27
  4. Step 4: Simplify right side
    3,387.98x = 6,079,910.69
  5. Step 5: Solve for x
    x = 6,079,910.69/3,387.98
  6. Step 6: Final answer
    x = 1,794.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.