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Finding the Fourth Proportional to 41,193.20, 61,786.20 and 13,491.20

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Solution

The fourth proportional to 41,193.20, 61,786.20 and 13,491.20 is: 20,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,193.20 : 61,786.20 = 13,491.20 : x
  2. Step 2: Convert to fraction form
    41,193.20/61,786.20 = 13,491.20/x
  3. Step 3: Cross multiply
    41,193.20x = 61,786.20 × 13,491.20
  4. Step 4: Simplify right side
    41,193.20x = 833,569,981.44
  5. Step 5: Solve for x
    x = 833,569,981.44/41,193.20
  6. Step 6: Final answer
    x = 20,235.62

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