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Finding the Fourth Proportional to 18,694.16, 27,975.36 and 11,677.47

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Solution

The fourth proportional to 18,694.16, 27,975.36 and 11,677.47 is: 17,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.16 : 27,975.36 = 11,677.47 : x
  2. Step 2: Convert to fraction form
    18,694.16/27,975.36 = 11,677.47/x
  3. Step 3: Cross multiply
    18,694.16x = 27,975.36 × 11,677.47
  4. Step 4: Simplify right side
    18,694.16x = 326,681,427.14
  5. Step 5: Solve for x
    x = 326,681,427.14/18,694.16
  6. Step 6: Final answer
    x = 17,475.06

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