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Finding the Fourth Proportional to 22,161.92, 33,164.84 and 13,845.84

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Solution

The fourth proportional to 22,161.92, 33,164.84 and 13,845.84 is: 20,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.92 : 33,164.84 = 13,845.84 : x
  2. Step 2: Convert to fraction form
    22,161.92/33,164.84 = 13,845.84/x
  3. Step 3: Cross multiply
    22,161.92x = 33,164.84 × 13,845.84
  4. Step 4: Simplify right side
    22,161.92x = 459,195,068.27
  5. Step 5: Solve for x
    x = 459,195,068.27/22,161.92
  6. Step 6: Final answer
    x = 20,720.00

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