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Finding the Fourth Proportional to 20,568.62, 28,384.57 and 11,619.02

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Solution

The fourth proportional to 20,568.62, 28,384.57 and 11,619.02 is: 16,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.62 : 28,384.57 = 11,619.02 : x
  2. Step 2: Convert to fraction form
    20,568.62/28,384.57 = 11,619.02/x
  3. Step 3: Cross multiply
    20,568.62x = 28,384.57 × 11,619.02
  4. Step 4: Simplify right side
    20,568.62x = 329,800,886.52
  5. Step 5: Solve for x
    x = 329,800,886.52/20,568.62
  6. Step 6: Final answer
    x = 16,034.18

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