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Finding the Fourth Proportional to 12,553.69, 18,839.97 and 4,663.48

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Solution

The fourth proportional to 12,553.69, 18,839.97 and 4,663.48 is: 6,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.69 : 18,839.97 = 4,663.48 : x
  2. Step 2: Convert to fraction form
    12,553.69/18,839.97 = 4,663.48/x
  3. Step 3: Cross multiply
    12,553.69x = 18,839.97 × 4,663.48
  4. Step 4: Simplify right side
    12,553.69x = 87,859,823.30
  5. Step 5: Solve for x
    x = 87,859,823.30/12,553.69
  6. Step 6: Final answer
    x = 6,998.72

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