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Finding the Fourth Proportional to 1,947.82, 2,918.22 and 1,069.37

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Solution

The fourth proportional to 1,947.82, 2,918.22 and 1,069.37 is: 1,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.82 : 2,918.22 = 1,069.37 : x
  2. Step 2: Convert to fraction form
    1,947.82/2,918.22 = 1,069.37/x
  3. Step 3: Cross multiply
    1,947.82x = 2,918.22 × 1,069.37
  4. Step 4: Simplify right side
    1,947.82x = 3,120,651.57
  5. Step 5: Solve for x
    x = 3,120,651.57/1,947.82
  6. Step 6: Final answer
    x = 1,602.13

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