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Finding the Fourth Proportional to 3,793.88, 5,686.92 and 1,453.24

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Solution

The fourth proportional to 3,793.88, 5,686.92 and 1,453.24 is: 2,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.88 : 5,686.92 = 1,453.24 : x
  2. Step 2: Convert to fraction form
    3,793.88/5,686.92 = 1,453.24/x
  3. Step 3: Cross multiply
    3,793.88x = 5,686.92 × 1,453.24
  4. Step 4: Simplify right side
    3,793.88x = 8,264,459.62
  5. Step 5: Solve for x
    x = 8,264,459.62/3,793.88
  6. Step 6: Final answer
    x = 2,178.37

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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.