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Finding the Fourth Proportional to 6,757.56, 9,327.66 and 3,963

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Solution

The fourth proportional to 6,757.56, 9,327.66 and 3,963 is: 5,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.56 : 9,327.66 = 3,963 : x
  2. Step 2: Convert to fraction form
    6,757.56/9,327.66 = 3,963/x
  3. Step 3: Cross multiply
    6,757.56x = 9,327.66 × 3,963
  4. Step 4: Simplify right side
    6,757.56x = 36,965,516.58
  5. Step 5: Solve for x
    x = 36,965,516.58/6,757.56
  6. Step 6: Final answer
    x = 5,470.25

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1.5x scale

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.