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Finding the Fourth Proportional to 6,866.91, 9,476.33 and 3,723.09

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Solution

The fourth proportional to 6,866.91, 9,476.33 and 3,723.09 is: 5,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.91 : 9,476.33 = 3,723.09 : x
  2. Step 2: Convert to fraction form
    6,866.91/9,476.33 = 3,723.09/x
  3. Step 3: Cross multiply
    6,866.91x = 9,476.33 × 3,723.09
  4. Step 4: Simplify right side
    6,866.91x = 35,281,210.84
  5. Step 5: Solve for x
    x = 35,281,210.84/6,866.91
  6. Step 6: Final answer
    x = 5,137.86

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