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Finding the Fourth Proportional to 14,651.06, 20,218.48 and 7,936.74

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Solution

The fourth proportional to 14,651.06, 20,218.48 and 7,936.74 is: 10,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.06 : 20,218.48 = 7,936.74 : x
  2. Step 2: Convert to fraction form
    14,651.06/20,218.48 = 7,936.74/x
  3. Step 3: Cross multiply
    14,651.06x = 20,218.48 × 7,936.74
  4. Step 4: Simplify right side
    14,651.06x = 160,468,799.11
  5. Step 5: Solve for x
    x = 160,468,799.11/14,651.06
  6. Step 6: Final answer
    x = 10,952.71

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