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Finding the Fourth Proportional to 9,179.28, 13,768.80 and 2,253.84

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Solution

The fourth proportional to 9,179.28, 13,768.80 and 2,253.84 is: 3,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.28 : 13,768.80 = 2,253.84 : x
  2. Step 2: Convert to fraction form
    9,179.28/13,768.80 = 2,253.84/x
  3. Step 3: Cross multiply
    9,179.28x = 13,768.80 × 2,253.84
  4. Step 4: Simplify right side
    9,179.28x = 31,032,672.19
  5. Step 5: Solve for x
    x = 31,032,672.19/9,179.28
  6. Step 6: Final answer
    x = 3,380.73

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