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Finding the Fourth Proportional to 1,990.73, 2,747.37 and 1,204.49

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Solution

The fourth proportional to 1,990.73, 2,747.37 and 1,204.49 is: 1,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990.73 : 2,747.37 = 1,204.49 : x
  2. Step 2: Convert to fraction form
    1,990.73/2,747.37 = 1,204.49/x
  3. Step 3: Cross multiply
    1,990.73x = 2,747.37 × 1,204.49
  4. Step 4: Simplify right side
    1,990.73x = 3,309,165.95
  5. Step 5: Solve for x
    x = 3,309,165.95/1,990.73
  6. Step 6: Final answer
    x = 1,662.29

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