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Finding the Fourth Proportional to 3,379.52, 5,066.18 and 1,187.04

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Solution

The fourth proportional to 3,379.52, 5,066.18 and 1,187.04 is: 1,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.52 : 5,066.18 = 1,187.04 : x
  2. Step 2: Convert to fraction form
    3,379.52/5,066.18 = 1,187.04/x
  3. Step 3: Cross multiply
    3,379.52x = 5,066.18 × 1,187.04
  4. Step 4: Simplify right side
    3,379.52x = 6,013,758.31
  5. Step 5: Solve for x
    x = 6,013,758.31/3,379.52
  6. Step 6: Final answer
    x = 1,779.47

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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.