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Finding the Fourth Proportional to 2,147.82, 3,219.22 and 1,758.48

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Solution

The fourth proportional to 2,147.82, 3,219.22 and 1,758.48 is: 2,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.82 : 3,219.22 = 1,758.48 : x
  2. Step 2: Convert to fraction form
    2,147.82/3,219.22 = 1,758.48/x
  3. Step 3: Cross multiply
    2,147.82x = 3,219.22 × 1,758.48
  4. Step 4: Simplify right side
    2,147.82x = 5,660,933.99
  5. Step 5: Solve for x
    x = 5,660,933.99/2,147.82
  6. Step 6: Final answer
    x = 2,635.66

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