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Finding the Fourth Proportional to 2,796.81, 4,194.25 and 1,235.76

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Solution

The fourth proportional to 2,796.81, 4,194.25 and 1,235.76 is: 1,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.81 : 4,194.25 = 1,235.76 : x
  2. Step 2: Convert to fraction form
    2,796.81/4,194.25 = 1,235.76/x
  3. Step 3: Cross multiply
    2,796.81x = 4,194.25 × 1,235.76
  4. Step 4: Simplify right side
    2,796.81x = 5,183,067.56
  5. Step 5: Solve for x
    x = 5,183,067.56/2,796.81
  6. Step 6: Final answer
    x = 1,853.21

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