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Finding the Fourth Proportional to 22,581.59, 33,872.07 and 6,999.21

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Solution

The fourth proportional to 22,581.59, 33,872.07 and 6,999.21 is: 10,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581.59 : 33,872.07 = 6,999.21 : x
  2. Step 2: Convert to fraction form
    22,581.59/33,872.07 = 6,999.21/x
  3. Step 3: Cross multiply
    22,581.59x = 33,872.07 × 6,999.21
  4. Step 4: Simplify right side
    22,581.59x = 237,077,757.31
  5. Step 5: Solve for x
    x = 237,077,757.31/22,581.59
  6. Step 6: Final answer
    x = 10,498.72

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