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Finding the Fourth Proportional to 6,910.47, 9,536.40 and 3,766.68

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Solution

The fourth proportional to 6,910.47, 9,536.40 and 3,766.68 is: 5,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.47 : 9,536.40 = 3,766.68 : x
  2. Step 2: Convert to fraction form
    6,910.47/9,536.40 = 3,766.68/x
  3. Step 3: Cross multiply
    6,910.47x = 9,536.40 × 3,766.68
  4. Step 4: Simplify right side
    6,910.47x = 35,920,567.15
  5. Step 5: Solve for x
    x = 35,920,567.15/6,910.47
  6. Step 6: Final answer
    x = 5,197.99

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