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Finding the Fourth Proportional to 3,150.65, 4,722.88 and 1,174.83

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Solution

The fourth proportional to 3,150.65, 4,722.88 and 1,174.83 is: 1,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.65 : 4,722.88 = 1,174.83 : x
  2. Step 2: Convert to fraction form
    3,150.65/4,722.88 = 1,174.83/x
  3. Step 3: Cross multiply
    3,150.65x = 4,722.88 × 1,174.83
  4. Step 4: Simplify right side
    3,150.65x = 5,548,581.11
  5. Step 5: Solve for x
    x = 5,548,581.11/3,150.65
  6. Step 6: Final answer
    x = 1,761.09

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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.