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Finding the Fourth Proportional to 6,793.44, 9,375 and 3,809.28

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Solution

The fourth proportional to 6,793.44, 9,375 and 3,809.28 is: 5,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.44 : 9,375 = 3,809.28 : x
  2. Step 2: Convert to fraction form
    6,793.44/9,375 = 3,809.28/x
  3. Step 3: Cross multiply
    6,793.44x = 9,375 × 3,809.28
  4. Step 4: Simplify right side
    6,793.44x = 35,712,000
  5. Step 5: Solve for x
    x = 35,712,000/6,793.44
  6. Step 6: Final answer
    x = 5,256.84

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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.