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Finding the Fourth Proportional to 36,561.28, 54,805.44 and 14,358.40

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Solution

The fourth proportional to 36,561.28, 54,805.44 and 14,358.40 is: 21,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.28 : 54,805.44 = 14,358.40 : x
  2. Step 2: Convert to fraction form
    36,561.28/54,805.44 = 14,358.40/x
  3. Step 3: Cross multiply
    36,561.28x = 54,805.44 × 14,358.40
  4. Step 4: Simplify right side
    36,561.28x = 786,918,429.70
  5. Step 5: Solve for x
    x = 786,918,429.70/36,561.28
  6. Step 6: Final answer
    x = 21,523.27

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