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Finding the Fourth Proportional to 3,833.87, 5,747.85 and 1,493.57

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Solution

The fourth proportional to 3,833.87, 5,747.85 and 1,493.57 is: 2,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.87 : 5,747.85 = 1,493.57 : x
  2. Step 2: Convert to fraction form
    3,833.87/5,747.85 = 1,493.57/x
  3. Step 3: Cross multiply
    3,833.87x = 5,747.85 × 1,493.57
  4. Step 4: Simplify right side
    3,833.87x = 8,584,830.69
  5. Step 5: Solve for x
    x = 8,584,830.69/3,833.87
  6. Step 6: Final answer
    x = 2,239.21

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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.