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Finding the Fourth Proportional to 11,157.68, 16,736.64 and 3,366.56

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Solution

The fourth proportional to 11,157.68, 16,736.64 and 3,366.56 is: 5,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.68 : 16,736.64 = 3,366.56 : x
  2. Step 2: Convert to fraction form
    11,157.68/16,736.64 = 3,366.56/x
  3. Step 3: Cross multiply
    11,157.68x = 16,736.64 × 3,366.56
  4. Step 4: Simplify right side
    11,157.68x = 56,344,902.76
  5. Step 5: Solve for x
    x = 56,344,902.76/11,157.68
  6. Step 6: Final answer
    x = 5,049.88

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