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Finding the Fourth Proportional to 6,758, 9,327.12 and 3,963.52

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Solution

The fourth proportional to 6,758, 9,327.12 and 3,963.52 is: 5,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758 : 9,327.12 = 3,963.52 : x
  2. Step 2: Convert to fraction form
    6,758/9,327.12 = 3,963.52/x
  3. Step 3: Cross multiply
    6,758x = 9,327.12 × 3,963.52
  4. Step 4: Simplify right side
    6,758x = 36,968,226.66
  5. Step 5: Solve for x
    x = 36,968,226.66/6,758
  6. Step 6: Final answer
    x = 5,470.29

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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.