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Finding the Fourth Proportional to 1,747.84, 2,616.52 and 1,338.52

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Solution

The fourth proportional to 1,747.84, 2,616.52 and 1,338.52 is: 2,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.84 : 2,616.52 = 1,338.52 : x
  2. Step 2: Convert to fraction form
    1,747.84/2,616.52 = 1,338.52/x
  3. Step 3: Cross multiply
    1,747.84x = 2,616.52 × 1,338.52
  4. Step 4: Simplify right side
    1,747.84x = 3,502,264.35
  5. Step 5: Solve for x
    x = 3,502,264.35/1,747.84
  6. Step 6: Final answer
    x = 2,003.77

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