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Finding the Fourth Proportional to 6,809.92, 10,206.97 and 3,890.27

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Solution

The fourth proportional to 6,809.92, 10,206.97 and 3,890.27 is: 5,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.92 : 10,206.97 = 3,890.27 : x
  2. Step 2: Convert to fraction form
    6,809.92/10,206.97 = 3,890.27/x
  3. Step 3: Cross multiply
    6,809.92x = 10,206.97 × 3,890.27
  4. Step 4: Simplify right side
    6,809.92x = 39,707,884.97
  5. Step 5: Solve for x
    x = 39,707,884.97/6,809.92
  6. Step 6: Final answer
    x = 5,830.89

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