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Finding the Fourth Proportional to 1,819.82, 2,731.14 and 724.29

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Solution

The fourth proportional to 1,819.82, 2,731.14 and 724.29 is: 1,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.82 : 2,731.14 = 724.29 : x
  2. Step 2: Convert to fraction form
    1,819.82/2,731.14 = 724.29/x
  3. Step 3: Cross multiply
    1,819.82x = 2,731.14 × 724.29
  4. Step 4: Simplify right side
    1,819.82x = 1,978,137.39
  5. Step 5: Solve for x
    x = 1,978,137.39/1,819.82
  6. Step 6: Final answer
    x = 1,087.00

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