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Finding the Fourth Proportional to 6,757.61, 9,324.95 and 3,924.08

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Solution

The fourth proportional to 6,757.61, 9,324.95 and 3,924.08 is: 5,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.61 : 9,324.95 = 3,924.08 : x
  2. Step 2: Convert to fraction form
    6,757.61/9,324.95 = 3,924.08/x
  3. Step 3: Cross multiply
    6,757.61x = 9,324.95 × 3,924.08
  4. Step 4: Simplify right side
    6,757.61x = 36,591,853.49
  5. Step 5: Solve for x
    x = 36,591,853.49/6,757.61
  6. Step 6: Final answer
    x = 5,414.91

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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.