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Finding the Fourth Proportional to 10,990.46, 16,502.10 and 10,826.46

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Solution

The fourth proportional to 10,990.46, 16,502.10 and 10,826.46 is: 16,255.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.46 : 16,502.10 = 10,826.46 : x
  2. Step 2: Convert to fraction form
    10,990.46/16,502.10 = 10,826.46/x
  3. Step 3: Cross multiply
    10,990.46x = 16,502.10 × 10,826.46
  4. Step 4: Simplify right side
    10,990.46x = 178,659,325.57
  5. Step 5: Solve for x
    x = 178,659,325.57/10,990.46
  6. Step 6: Final answer
    x = 16,255.86

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