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Finding the Fourth Proportional to 2,906.91, 4,012.56 and 1,727.97

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Solution

The fourth proportional to 2,906.91, 4,012.56 and 1,727.97 is: 2,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.91 : 4,012.56 = 1,727.97 : x
  2. Step 2: Convert to fraction form
    2,906.91/4,012.56 = 1,727.97/x
  3. Step 3: Cross multiply
    2,906.91x = 4,012.56 × 1,727.97
  4. Step 4: Simplify right side
    2,906.91x = 6,933,583.30
  5. Step 5: Solve for x
    x = 6,933,583.30/2,906.91
  6. Step 6: Final answer
    x = 2,385.21

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