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Finding the Fourth Proportional to 3,322.98, 4,981.20 and 1,376.82

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Solution

The fourth proportional to 3,322.98, 4,981.20 and 1,376.82 is: 2,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.98 : 4,981.20 = 1,376.82 : x
  2. Step 2: Convert to fraction form
    3,322.98/4,981.20 = 1,376.82/x
  3. Step 3: Cross multiply
    3,322.98x = 4,981.20 × 1,376.82
  4. Step 4: Simplify right side
    3,322.98x = 6,858,215.78
  5. Step 5: Solve for x
    x = 6,858,215.78/3,322.98
  6. Step 6: Final answer
    x = 2,063.88

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