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Finding the Fourth Proportional to 3,793.85, 5,687.46 and 2,039.81

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Solution

The fourth proportional to 3,793.85, 5,687.46 and 2,039.81 is: 3,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.85 : 5,687.46 = 2,039.81 : x
  2. Step 2: Convert to fraction form
    3,793.85/5,687.46 = 2,039.81/x
  3. Step 3: Cross multiply
    3,793.85x = 5,687.46 × 2,039.81
  4. Step 4: Simplify right side
    3,793.85x = 11,601,337.78
  5. Step 5: Solve for x
    x = 11,601,337.78/3,793.85
  6. Step 6: Final answer
    x = 3,057.93

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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.