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Finding the Fourth Proportional to 1,981.73, 2,972.52 and 1,150.02

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Solution

The fourth proportional to 1,981.73, 2,972.52 and 1,150.02 is: 1,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.73 : 2,972.52 = 1,150.02 : x
  2. Step 2: Convert to fraction form
    1,981.73/2,972.52 = 1,150.02/x
  3. Step 3: Cross multiply
    1,981.73x = 2,972.52 × 1,150.02
  4. Step 4: Simplify right side
    1,981.73x = 3,418,457.45
  5. Step 5: Solve for x
    x = 3,418,457.45/1,981.73
  6. Step 6: Final answer
    x = 1,724.99

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