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Finding the Fourth Proportional to 6,991.82, 10,487.82 and 1,797.69

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Solution

The fourth proportional to 6,991.82, 10,487.82 and 1,797.69 is: 2,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.82 : 10,487.82 = 1,797.69 : x
  2. Step 2: Convert to fraction form
    6,991.82/10,487.82 = 1,797.69/x
  3. Step 3: Cross multiply
    6,991.82x = 10,487.82 × 1,797.69
  4. Step 4: Simplify right side
    6,991.82x = 18,853,849.14
  5. Step 5: Solve for x
    x = 18,853,849.14/6,991.82
  6. Step 6: Final answer
    x = 2,696.56

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