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Finding the Fourth Proportional to 22,238.72, 33,357.99 and 8,917.67

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Solution

The fourth proportional to 22,238.72, 33,357.99 and 8,917.67 is: 13,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238.72 : 33,357.99 = 8,917.67 : x
  2. Step 2: Convert to fraction form
    22,238.72/33,357.99 = 8,917.67/x
  3. Step 3: Cross multiply
    22,238.72x = 33,357.99 × 8,917.67
  4. Step 4: Simplify right side
    22,238.72x = 297,475,546.68
  5. Step 5: Solve for x
    x = 297,475,546.68/22,238.72
  6. Step 6: Final answer
    x = 13,376.47

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