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Finding the Fourth Proportional to 11,091.22, 16,618.56 and 9,948.04

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Solution

The fourth proportional to 11,091.22, 16,618.56 and 9,948.04 is: 14,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.22 : 16,618.56 = 9,948.04 : x
  2. Step 2: Convert to fraction form
    11,091.22/16,618.56 = 9,948.04/x
  3. Step 3: Cross multiply
    11,091.22x = 16,618.56 × 9,948.04
  4. Step 4: Simplify right side
    11,091.22x = 165,322,099.62
  5. Step 5: Solve for x
    x = 165,322,099.62/11,091.22
  6. Step 6: Final answer
    x = 14,905.67

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