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Finding the Fourth Proportional to 11,185.76, 16,769.04 and 6,251.36

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Solution

The fourth proportional to 11,185.76, 16,769.04 and 6,251.36 is: 9,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.76 : 16,769.04 = 6,251.36 : x
  2. Step 2: Convert to fraction form
    11,185.76/16,769.04 = 6,251.36/x
  3. Step 3: Cross multiply
    11,185.76x = 16,769.04 × 6,251.36
  4. Step 4: Simplify right side
    11,185.76x = 104,829,305.89
  5. Step 5: Solve for x
    x = 104,829,305.89/11,185.76
  6. Step 6: Final answer
    x = 9,371.67

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