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Finding the Fourth Proportional to 6,305.52, 8,691.84 and 3,943.44

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Solution

The fourth proportional to 6,305.52, 8,691.84 and 3,943.44 is: 5,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305.52 : 8,691.84 = 3,943.44 : x
  2. Step 2: Convert to fraction form
    6,305.52/8,691.84 = 3,943.44/x
  3. Step 3: Cross multiply
    6,305.52x = 8,691.84 × 3,943.44
  4. Step 4: Simplify right side
    6,305.52x = 34,275,749.53
  5. Step 5: Solve for x
    x = 34,275,749.53/6,305.52
  6. Step 6: Final answer
    x = 5,435.83

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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.