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Finding the Fourth Proportional to 3,217.76, 4,805.14 and 2,750.66

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Solution

The fourth proportional to 3,217.76, 4,805.14 and 2,750.66 is: 4,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.76 : 4,805.14 = 2,750.66 : x
  2. Step 2: Convert to fraction form
    3,217.76/4,805.14 = 2,750.66/x
  3. Step 3: Cross multiply
    3,217.76x = 4,805.14 × 2,750.66
  4. Step 4: Simplify right side
    3,217.76x = 13,217,306.39
  5. Step 5: Solve for x
    x = 13,217,306.39/3,217.76
  6. Step 6: Final answer
    x = 4,107.61

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.