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Finding the Fourth Proportional to 11,375.04, 17,057.76 and 3,977.28

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Solution

The fourth proportional to 11,375.04, 17,057.76 and 3,977.28 is: 5,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.04 : 17,057.76 = 3,977.28 : x
  2. Step 2: Convert to fraction form
    11,375.04/17,057.76 = 3,977.28/x
  3. Step 3: Cross multiply
    11,375.04x = 17,057.76 × 3,977.28
  4. Step 4: Simplify right side
    11,375.04x = 67,843,487.69
  5. Step 5: Solve for x
    x = 67,843,487.69/11,375.04
  6. Step 6: Final answer
    x = 5,964.24

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