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Finding the Fourth Proportional to 3,677.16, 5,516.52 and 1,079.88

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Solution

The fourth proportional to 3,677.16, 5,516.52 and 1,079.88 is: 1,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.16 : 5,516.52 = 1,079.88 : x
  2. Step 2: Convert to fraction form
    3,677.16/5,516.52 = 1,079.88/x
  3. Step 3: Cross multiply
    3,677.16x = 5,516.52 × 1,079.88
  4. Step 4: Simplify right side
    3,677.16x = 5,957,179.62
  5. Step 5: Solve for x
    x = 5,957,179.62/3,677.16
  6. Step 6: Final answer
    x = 1,620.05

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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.