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Finding the Fourth Proportional to 6,793.88, 9,375.28 and 3,961.36

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Solution

The fourth proportional to 6,793.88, 9,375.28 and 3,961.36 is: 5,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.88 : 9,375.28 = 3,961.36 : x
  2. Step 2: Convert to fraction form
    6,793.88/9,375.28 = 3,961.36/x
  3. Step 3: Cross multiply
    6,793.88x = 9,375.28 × 3,961.36
  4. Step 4: Simplify right side
    6,793.88x = 37,138,859.18
  5. Step 5: Solve for x
    x = 37,138,859.18/6,793.88
  6. Step 6: Final answer
    x = 5,466.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.