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Finding the Fourth Proportional to 43,190.87, 64,787.33 and 11,600.97

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Solution

The fourth proportional to 43,190.87, 64,787.33 and 11,600.97 is: 17,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,190.87 : 64,787.33 = 11,600.97 : x
  2. Step 2: Convert to fraction form
    43,190.87/64,787.33 = 11,600.97/x
  3. Step 3: Cross multiply
    43,190.87x = 64,787.33 × 11,600.97
  4. Step 4: Simplify right side
    43,190.87x = 751,595,570.75
  5. Step 5: Solve for x
    x = 751,595,570.75/43,190.87
  6. Step 6: Final answer
    x = 17,401.73

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