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Finding the Fourth Proportional to 2,729.34, 3,766.82 and 1,550.64

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Solution

The fourth proportional to 2,729.34, 3,766.82 and 1,550.64 is: 2,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.34 : 3,766.82 = 1,550.64 : x
  2. Step 2: Convert to fraction form
    2,729.34/3,766.82 = 1,550.64/x
  3. Step 3: Cross multiply
    2,729.34x = 3,766.82 × 1,550.64
  4. Step 4: Simplify right side
    2,729.34x = 5,840,974.01
  5. Step 5: Solve for x
    x = 5,840,974.01/2,729.34
  6. Step 6: Final answer
    x = 2,140.07

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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.