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Finding the Fourth Proportional to 33,077.80, 49,616.70 and 15,581.80

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Solution

The fourth proportional to 33,077.80, 49,616.70 and 15,581.80 is: 23,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,077.80 : 49,616.70 = 15,581.80 : x
  2. Step 2: Convert to fraction form
    33,077.80/49,616.70 = 15,581.80/x
  3. Step 3: Cross multiply
    33,077.80x = 49,616.70 × 15,581.80
  4. Step 4: Simplify right side
    33,077.80x = 773,117,496.06
  5. Step 5: Solve for x
    x = 773,117,496.06/33,077.80
  6. Step 6: Final answer
    x = 23,372.70

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