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Finding the Fourth Proportional to 3,239.66, 4,468.97 and 2,676.80

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Solution

The fourth proportional to 3,239.66, 4,468.97 and 2,676.80 is: 3,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.66 : 4,468.97 = 2,676.80 : x
  2. Step 2: Convert to fraction form
    3,239.66/4,468.97 = 2,676.80/x
  3. Step 3: Cross multiply
    3,239.66x = 4,468.97 × 2,676.80
  4. Step 4: Simplify right side
    3,239.66x = 11,962,523.24
  5. Step 5: Solve for x
    x = 11,962,523.24/3,239.66
  6. Step 6: Final answer
    x = 3,692.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.