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Finding the Fourth Proportional to 17,722.80, 26,584.20 and 16,772.40

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Solution

The fourth proportional to 17,722.80, 26,584.20 and 16,772.40 is: 25,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.80 : 26,584.20 = 16,772.40 : x
  2. Step 2: Convert to fraction form
    17,722.80/26,584.20 = 16,772.40/x
  3. Step 3: Cross multiply
    17,722.80x = 26,584.20 × 16,772.40
  4. Step 4: Simplify right side
    17,722.80x = 445,880,836.08
  5. Step 5: Solve for x
    x = 445,880,836.08/17,722.80
  6. Step 6: Final answer
    x = 25,158.60

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