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Finding the Fourth Proportional to 8,462.46, 12,696.29 and 3,786.41

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Solution

The fourth proportional to 8,462.46, 12,696.29 and 3,786.41 is: 5,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.46 : 12,696.29 = 3,786.41 : x
  2. Step 2: Convert to fraction form
    8,462.46/12,696.29 = 3,786.41/x
  3. Step 3: Cross multiply
    8,462.46x = 12,696.29 × 3,786.41
  4. Step 4: Simplify right side
    8,462.46x = 48,073,277.01
  5. Step 5: Solve for x
    x = 48,073,277.01/8,462.46
  6. Step 6: Final answer
    x = 5,680.77

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