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Finding the Fourth Proportional to 25,896.43, 38,846.90 and 7,176.48

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Solution

The fourth proportional to 25,896.43, 38,846.90 and 7,176.48 is: 10,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.43 : 38,846.90 = 7,176.48 : x
  2. Step 2: Convert to fraction form
    25,896.43/38,846.90 = 7,176.48/x
  3. Step 3: Cross multiply
    25,896.43x = 38,846.90 × 7,176.48
  4. Step 4: Simplify right side
    25,896.43x = 278,784,000.91
  5. Step 5: Solve for x
    x = 278,784,000.91/25,896.43
  6. Step 6: Final answer
    x = 10,765.34

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