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Finding the Fourth Proportional to 3,452.72, 5,179 and 1,504.88

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Solution

The fourth proportional to 3,452.72, 5,179 and 1,504.88 is: 2,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.72 : 5,179 = 1,504.88 : x
  2. Step 2: Convert to fraction form
    3,452.72/5,179 = 1,504.88/x
  3. Step 3: Cross multiply
    3,452.72x = 5,179 × 1,504.88
  4. Step 4: Simplify right side
    3,452.72x = 7,793,773.52
  5. Step 5: Solve for x
    x = 7,793,773.52/3,452.72
  6. Step 6: Final answer
    x = 2,257.29

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Why These Related Problems?

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