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Finding the Fourth Proportional to 3,959.82, 5,944.86 and 3,386.34

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Solution

The fourth proportional to 3,959.82, 5,944.86 and 3,386.34 is: 5,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.82 : 5,944.86 = 3,386.34 : x
  2. Step 2: Convert to fraction form
    3,959.82/5,944.86 = 3,386.34/x
  3. Step 3: Cross multiply
    3,959.82x = 5,944.86 × 3,386.34
  4. Step 4: Simplify right side
    3,959.82x = 20,131,317.21
  5. Step 5: Solve for x
    x = 20,131,317.21/3,959.82
  6. Step 6: Final answer
    x = 5,083.90

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