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Finding the Fourth Proportional to 13,370.06, 20,036.46 and 11,057.88

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Solution

The fourth proportional to 13,370.06, 20,036.46 and 11,057.88 is: 16,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.06 : 20,036.46 = 11,057.88 : x
  2. Step 2: Convert to fraction form
    13,370.06/20,036.46 = 11,057.88/x
  3. Step 3: Cross multiply
    13,370.06x = 20,036.46 × 11,057.88
  4. Step 4: Simplify right side
    13,370.06x = 221,560,770.30
  5. Step 5: Solve for x
    x = 221,560,770.30/13,370.06
  6. Step 6: Final answer
    x = 16,571.41

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