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Finding the Fourth Proportional to 18,318.48, 27,479.88 and 5,834.16

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Solution

The fourth proportional to 18,318.48, 27,479.88 and 5,834.16 is: 8,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.48 : 27,479.88 = 5,834.16 : x
  2. Step 2: Convert to fraction form
    18,318.48/27,479.88 = 5,834.16/x
  3. Step 3: Cross multiply
    18,318.48x = 27,479.88 × 5,834.16
  4. Step 4: Simplify right side
    18,318.48x = 160,322,016.70
  5. Step 5: Solve for x
    x = 160,322,016.70/18,318.48
  6. Step 6: Final answer
    x = 8,751.93

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