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Finding the Fourth Proportional to 6,622.88, 9,938.87 and 2,727.28

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Solution

The fourth proportional to 6,622.88, 9,938.87 and 2,727.28 is: 4,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.88 : 9,938.87 = 2,727.28 : x
  2. Step 2: Convert to fraction form
    6,622.88/9,938.87 = 2,727.28/x
  3. Step 3: Cross multiply
    6,622.88x = 9,938.87 × 2,727.28
  4. Step 4: Simplify right side
    6,622.88x = 27,106,090.39
  5. Step 5: Solve for x
    x = 27,106,090.39/6,622.88
  6. Step 6: Final answer
    x = 4,092.80

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