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Finding the Fourth Proportional to 15,578.00, 23,367.05 and 3,891.22

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Solution

The fourth proportional to 15,578.00, 23,367.05 and 3,891.22 is: 5,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.00 : 23,367.05 = 3,891.22 : x
  2. Step 2: Convert to fraction form
    15,578.00/23,367.05 = 3,891.22/x
  3. Step 3: Cross multiply
    15,578.00x = 23,367.05 × 3,891.22
  4. Step 4: Simplify right side
    15,578.00x = 90,926,269.02
  5. Step 5: Solve for x
    x = 90,926,269.02/15,578.00
  6. Step 6: Final answer
    x = 5,836.84

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