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Finding the Fourth Proportional to 18,736.91, 25,856.94 and 10,353.41

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Solution

The fourth proportional to 18,736.91, 25,856.94 and 10,353.41 is: 14,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.91 : 25,856.94 = 10,353.41 : x
  2. Step 2: Convert to fraction form
    18,736.91/25,856.94 = 10,353.41/x
  3. Step 3: Cross multiply
    18,736.91x = 25,856.94 × 10,353.41
  4. Step 4: Simplify right side
    18,736.91x = 267,707,501.17
  5. Step 5: Solve for x
    x = 267,707,501.17/18,736.91
  6. Step 6: Final answer
    x = 14,287.71

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