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Finding the Fourth Proportional to 6,641.24, 9,961.86 and 2,481.08

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Solution

The fourth proportional to 6,641.24, 9,961.86 and 2,481.08 is: 3,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.24 : 9,961.86 = 2,481.08 : x
  2. Step 2: Convert to fraction form
    6,641.24/9,961.86 = 2,481.08/x
  3. Step 3: Cross multiply
    6,641.24x = 9,961.86 × 2,481.08
  4. Step 4: Simplify right side
    6,641.24x = 24,716,171.61
  5. Step 5: Solve for x
    x = 24,716,171.61/6,641.24
  6. Step 6: Final answer
    x = 3,721.62

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.