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Finding the Fourth Proportional to 17,927.80, 26,891.70 and 16,178.20

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Solution

The fourth proportional to 17,927.80, 26,891.70 and 16,178.20 is: 24,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.80 : 26,891.70 = 16,178.20 : x
  2. Step 2: Convert to fraction form
    17,927.80/26,891.70 = 16,178.20/x
  3. Step 3: Cross multiply
    17,927.80x = 26,891.70 × 16,178.20
  4. Step 4: Simplify right side
    17,927.80x = 435,059,300.94
  5. Step 5: Solve for x
    x = 435,059,300.94/17,927.80
  6. Step 6: Final answer
    x = 24,267.30

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