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Finding the Fourth Proportional to 2,766.54, 4,149.92 and 1,123.05

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Solution

The fourth proportional to 2,766.54, 4,149.92 and 1,123.05 is: 1,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.54 : 4,149.92 = 1,123.05 : x
  2. Step 2: Convert to fraction form
    2,766.54/4,149.92 = 1,123.05/x
  3. Step 3: Cross multiply
    2,766.54x = 4,149.92 × 1,123.05
  4. Step 4: Simplify right side
    2,766.54x = 4,660,567.66
  5. Step 5: Solve for x
    x = 4,660,567.66/2,766.54
  6. Step 6: Final answer
    x = 1,684.62

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