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Finding the Fourth Proportional to 5,147.82, 7,723.65 and 2,375.82

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Solution

The fourth proportional to 5,147.82, 7,723.65 and 2,375.82 is: 3,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.82 : 7,723.65 = 2,375.82 : x
  2. Step 2: Convert to fraction form
    5,147.82/7,723.65 = 2,375.82/x
  3. Step 3: Cross multiply
    5,147.82x = 7,723.65 × 2,375.82
  4. Step 4: Simplify right side
    5,147.82x = 18,350,002.14
  5. Step 5: Solve for x
    x = 18,350,002.14/5,147.82
  6. Step 6: Final answer
    x = 3,564.62

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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.