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Finding the Fourth Proportional to 28,796.56, 43,177.02 and 11,245.75

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Solution

The fourth proportional to 28,796.56, 43,177.02 and 11,245.75 is: 16,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.56 : 43,177.02 = 11,245.75 : x
  2. Step 2: Convert to fraction form
    28,796.56/43,177.02 = 11,245.75/x
  3. Step 3: Cross multiply
    28,796.56x = 43,177.02 × 11,245.75
  4. Step 4: Simplify right side
    28,796.56x = 485,557,972.67
  5. Step 5: Solve for x
    x = 485,557,972.67/28,796.56
  6. Step 6: Final answer
    x = 16,861.67

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