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Finding the Fourth Proportional to 17,290.40, 23,859.78 and 10,217.48

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Solution

The fourth proportional to 17,290.40, 23,859.78 and 10,217.48 is: 14,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,290.40 : 23,859.78 = 10,217.48 : x
  2. Step 2: Convert to fraction form
    17,290.40/23,859.78 = 10,217.48/x
  3. Step 3: Cross multiply
    17,290.40x = 23,859.78 × 10,217.48
  4. Step 4: Simplify right side
    17,290.40x = 243,786,824.95
  5. Step 5: Solve for x
    x = 243,786,824.95/17,290.40
  6. Step 6: Final answer
    x = 14,099.55

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