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Finding the Fourth Proportional to 2,617.82, 3,924.59 and 1,447.77

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Solution

The fourth proportional to 2,617.82, 3,924.59 and 1,447.77 is: 2,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.82 : 3,924.59 = 1,447.77 : x
  2. Step 2: Convert to fraction form
    2,617.82/3,924.59 = 1,447.77/x
  3. Step 3: Cross multiply
    2,617.82x = 3,924.59 × 1,447.77
  4. Step 4: Simplify right side
    2,617.82x = 5,681,903.66
  5. Step 5: Solve for x
    x = 5,681,903.66/2,617.82
  6. Step 6: Final answer
    x = 2,170.48

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