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Finding the Fourth Proportional to 17,912.61, 26,868.92 and 4,765.03

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Solution

The fourth proportional to 17,912.61, 26,868.92 and 4,765.03 is: 7,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.61 : 26,868.92 = 4,765.03 : x
  2. Step 2: Convert to fraction form
    17,912.61/26,868.92 = 4,765.03/x
  3. Step 3: Cross multiply
    17,912.61x = 26,868.92 × 4,765.03
  4. Step 4: Simplify right side
    17,912.61x = 128,031,118.87
  5. Step 5: Solve for x
    x = 128,031,118.87/17,912.61
  6. Step 6: Final answer
    x = 7,147.54

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