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Finding the Fourth Proportional to 11,861.83, 17,802.72 and 5,936.94

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Solution

The fourth proportional to 11,861.83, 17,802.72 and 5,936.94 is: 8,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.83 : 17,802.72 = 5,936.94 : x
  2. Step 2: Convert to fraction form
    11,861.83/17,802.72 = 5,936.94/x
  3. Step 3: Cross multiply
    11,861.83x = 17,802.72 × 5,936.94
  4. Step 4: Simplify right side
    11,861.83x = 105,693,680.48
  5. Step 5: Solve for x
    x = 105,693,680.48/11,861.83
  6. Step 6: Final answer
    x = 8,910.40

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