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Finding the Fourth Proportional to 18,047.21, 27,065.36 and 5,397.81

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Solution

The fourth proportional to 18,047.21, 27,065.36 and 5,397.81 is: 8,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.21 : 27,065.36 = 5,397.81 : x
  2. Step 2: Convert to fraction form
    18,047.21/27,065.36 = 5,397.81/x
  3. Step 3: Cross multiply
    18,047.21x = 27,065.36 × 5,397.81
  4. Step 4: Simplify right side
    18,047.21x = 146,093,643.87
  5. Step 5: Solve for x
    x = 146,093,643.87/18,047.21
  6. Step 6: Final answer
    x = 8,095.08

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