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Finding the Fourth Proportional to 1,992.62, 2,749.82 and 1,108.43

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Solution

The fourth proportional to 1,992.62, 2,749.82 and 1,108.43 is: 1,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.62 : 2,749.82 = 1,108.43 : x
  2. Step 2: Convert to fraction form
    1,992.62/2,749.82 = 1,108.43/x
  3. Step 3: Cross multiply
    1,992.62x = 2,749.82 × 1,108.43
  4. Step 4: Simplify right side
    1,992.62x = 3,047,963.69
  5. Step 5: Solve for x
    x = 3,047,963.69/1,992.62
  6. Step 6: Final answer
    x = 1,529.63

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