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Finding the Fourth Proportional to 17,199.88, 23,581.25 and 16,888.84

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Solution

The fourth proportional to 17,199.88, 23,581.25 and 16,888.84 is: 23,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199.88 : 23,581.25 = 16,888.84 : x
  2. Step 2: Convert to fraction form
    17,199.88/23,581.25 = 16,888.84/x
  3. Step 3: Cross multiply
    17,199.88x = 23,581.25 × 16,888.84
  4. Step 4: Simplify right side
    17,199.88x = 398,259,958.25
  5. Step 5: Solve for x
    x = 398,259,958.25/17,199.88
  6. Step 6: Final answer
    x = 23,154.81

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