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Finding the Fourth Proportional to 14,314.05, 21,468.78 and 3,923.37

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Solution

The fourth proportional to 14,314.05, 21,468.78 and 3,923.37 is: 5,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.05 : 21,468.78 = 3,923.37 : x
  2. Step 2: Convert to fraction form
    14,314.05/21,468.78 = 3,923.37/x
  3. Step 3: Cross multiply
    14,314.05x = 21,468.78 × 3,923.37
  4. Step 4: Simplify right side
    14,314.05x = 84,229,967.39
  5. Step 5: Solve for x
    x = 84,229,967.39/14,314.05
  6. Step 6: Final answer
    x = 5,884.43

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