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Finding the Fourth Proportional to 15,645.62, 23,468.45 and 3,958.83

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Solution

The fourth proportional to 15,645.62, 23,468.45 and 3,958.83 is: 5,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.62 : 23,468.45 = 3,958.83 : x
  2. Step 2: Convert to fraction form
    15,645.62/23,468.45 = 3,958.83/x
  3. Step 3: Cross multiply
    15,645.62x = 23,468.45 × 3,958.83
  4. Step 4: Simplify right side
    15,645.62x = 92,907,584.12
  5. Step 5: Solve for x
    x = 92,907,584.12/15,645.62
  6. Step 6: Final answer
    x = 5,938.25

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