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Finding the Fourth Proportional to 6,610.82, 9,909.90 and 2,449.71

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Solution

The fourth proportional to 6,610.82, 9,909.90 and 2,449.71 is: 3,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.82 : 9,909.90 = 2,449.71 : x
  2. Step 2: Convert to fraction form
    6,610.82/9,909.90 = 2,449.71/x
  3. Step 3: Cross multiply
    6,610.82x = 9,909.90 × 2,449.71
  4. Step 4: Simplify right side
    6,610.82x = 24,276,362.48
  5. Step 5: Solve for x
    x = 24,276,362.48/6,610.82
  6. Step 6: Final answer
    x = 3,672.22

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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.