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Finding the Fourth Proportional to 31,734.99, 43,792.60 and 18,305.44

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Solution

The fourth proportional to 31,734.99, 43,792.60 and 18,305.44 is: 25,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,734.99 : 43,792.60 = 18,305.44 : x
  2. Step 2: Convert to fraction form
    31,734.99/43,792.60 = 18,305.44/x
  3. Step 3: Cross multiply
    31,734.99x = 43,792.60 × 18,305.44
  4. Step 4: Simplify right side
    31,734.99x = 801,642,937.15
  5. Step 5: Solve for x
    x = 801,642,937.15/31,734.99
  6. Step 6: Final answer
    x = 25,260.54

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