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Finding the Fourth Proportional to 18,075.92, 27,112.10 and 7,945.28

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Solution

The fourth proportional to 18,075.92, 27,112.10 and 7,945.28 is: 11,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.92 : 27,112.10 = 7,945.28 : x
  2. Step 2: Convert to fraction form
    18,075.92/27,112.10 = 7,945.28/x
  3. Step 3: Cross multiply
    18,075.92x = 27,112.10 × 7,945.28
  4. Step 4: Simplify right side
    18,075.92x = 215,413,225.89
  5. Step 5: Solve for x
    x = 215,413,225.89/18,075.92
  6. Step 6: Final answer
    x = 11,917.14

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