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Finding the Fourth Proportional to 30,940.98, 42,697.41 and 16,793.52

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Solution

The fourth proportional to 30,940.98, 42,697.41 and 16,793.52 is: 23,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.98 : 42,697.41 = 16,793.52 : x
  2. Step 2: Convert to fraction form
    30,940.98/42,697.41 = 16,793.52/x
  3. Step 3: Cross multiply
    30,940.98x = 42,697.41 × 16,793.52
  4. Step 4: Simplify right side
    30,940.98x = 717,039,978.50
  5. Step 5: Solve for x
    x = 717,039,978.50/30,940.98
  6. Step 6: Final answer
    x = 23,174.44

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