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Finding the Fourth Proportional to 4,982.62, 7,474.22 and 2,514.55

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Solution

The fourth proportional to 4,982.62, 7,474.22 and 2,514.55 is: 3,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.62 : 7,474.22 = 2,514.55 : x
  2. Step 2: Convert to fraction form
    4,982.62/7,474.22 = 2,514.55/x
  3. Step 3: Cross multiply
    4,982.62x = 7,474.22 × 2,514.55
  4. Step 4: Simplify right side
    4,982.62x = 18,794,299.90
  5. Step 5: Solve for x
    x = 18,794,299.90/4,982.62
  6. Step 6: Final answer
    x = 3,771.97

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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.