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Finding the Fourth Proportional to 3,738.78, 5,608.17 and 1,546.65

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Solution

The fourth proportional to 3,738.78, 5,608.17 and 1,546.65 is: 2,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.78 : 5,608.17 = 1,546.65 : x
  2. Step 2: Convert to fraction form
    3,738.78/5,608.17 = 1,546.65/x
  3. Step 3: Cross multiply
    3,738.78x = 5,608.17 × 1,546.65
  4. Step 4: Simplify right side
    3,738.78x = 8,673,876.13
  5. Step 5: Solve for x
    x = 8,673,876.13/3,738.78
  6. Step 6: Final answer
    x = 2,319.98

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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.