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Finding the Fourth Proportional to 11,938.73, 17,901.94 and 5,359.28

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Solution

The fourth proportional to 11,938.73, 17,901.94 and 5,359.28 is: 8,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.73 : 17,901.94 = 5,359.28 : x
  2. Step 2: Convert to fraction form
    11,938.73/17,901.94 = 5,359.28/x
  3. Step 3: Cross multiply
    11,938.73x = 17,901.94 × 5,359.28
  4. Step 4: Simplify right side
    11,938.73x = 95,941,392.70
  5. Step 5: Solve for x
    x = 95,941,392.70/11,938.73
  6. Step 6: Final answer
    x = 8,036.15

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