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Finding the Fourth Proportional to 3,375.89, 5,063.80 and 1,067.39

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Solution

The fourth proportional to 3,375.89, 5,063.80 and 1,067.39 is: 1,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.89 : 5,063.80 = 1,067.39 : x
  2. Step 2: Convert to fraction form
    3,375.89/5,063.80 = 1,067.39/x
  3. Step 3: Cross multiply
    3,375.89x = 5,063.80 × 1,067.39
  4. Step 4: Simplify right side
    3,375.89x = 5,405,049.48
  5. Step 5: Solve for x
    x = 5,405,049.48/3,375.89
  6. Step 6: Final answer
    x = 1,601.07

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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.