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Finding the Fourth Proportional to 6,793.88, 9,375.36 and 3,961.88

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Solution

The fourth proportional to 6,793.88, 9,375.36 and 3,961.88 is: 5,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.88 : 9,375.36 = 3,961.88 : x
  2. Step 2: Convert to fraction form
    6,793.88/9,375.36 = 3,961.88/x
  3. Step 3: Cross multiply
    6,793.88x = 9,375.36 × 3,961.88
  4. Step 4: Simplify right side
    6,793.88x = 37,144,051.28
  5. Step 5: Solve for x
    x = 37,144,051.28/6,793.88
  6. Step 6: Final answer
    x = 5,467.28

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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.