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Finding the Fourth Proportional to 3,375.78, 5,060.49 and 1,183.92

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Solution

The fourth proportional to 3,375.78, 5,060.49 and 1,183.92 is: 1,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.78 : 5,060.49 = 1,183.92 : x
  2. Step 2: Convert to fraction form
    3,375.78/5,060.49 = 1,183.92/x
  3. Step 3: Cross multiply
    3,375.78x = 5,060.49 × 1,183.92
  4. Step 4: Simplify right side
    3,375.78x = 5,991,215.32
  5. Step 5: Solve for x
    x = 5,991,215.32/3,375.78
  6. Step 6: Final answer
    x = 1,774.76

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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.