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Finding the Fourth Proportional to 3,837.92, 5,757.41 and 1,373.42

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Solution

The fourth proportional to 3,837.92, 5,757.41 and 1,373.42 is: 2,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.92 : 5,757.41 = 1,373.42 : x
  2. Step 2: Convert to fraction form
    3,837.92/5,757.41 = 1,373.42/x
  3. Step 3: Cross multiply
    3,837.92x = 5,757.41 × 1,373.42
  4. Step 4: Simplify right side
    3,837.92x = 7,907,359.87
  5. Step 5: Solve for x
    x = 7,907,359.87/3,837.92
  6. Step 6: Final answer
    x = 2,060.33

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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.