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Finding the Fourth Proportional to 5,294.30, 7,945.09 and 2,375.87

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Solution

The fourth proportional to 5,294.30, 7,945.09 and 2,375.87 is: 3,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.30 : 7,945.09 = 2,375.87 : x
  2. Step 2: Convert to fraction form
    5,294.30/7,945.09 = 2,375.87/x
  3. Step 3: Cross multiply
    5,294.30x = 7,945.09 × 2,375.87
  4. Step 4: Simplify right side
    5,294.30x = 18,876,455.31
  5. Step 5: Solve for x
    x = 18,876,455.31/5,294.30
  6. Step 6: Final answer
    x = 3,565.43

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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.