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Finding the Fourth Proportional to 1,333.89, 1,836.75 and 1,255.95

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Solution

The fourth proportional to 1,333.89, 1,836.75 and 1,255.95 is: 1,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.89 : 1,836.75 = 1,255.95 : x
  2. Step 2: Convert to fraction form
    1,333.89/1,836.75 = 1,255.95/x
  3. Step 3: Cross multiply
    1,333.89x = 1,836.75 × 1,255.95
  4. Step 4: Simplify right side
    1,333.89x = 2,306,866.16
  5. Step 5: Solve for x
    x = 2,306,866.16/1,333.89
  6. Step 6: Final answer
    x = 1,729.43

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