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Finding the Fourth Proportional to 17,939.80, 26,968.02 and 16,099.48

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Solution

The fourth proportional to 17,939.80, 26,968.02 and 16,099.48 is: 24,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.80 : 26,968.02 = 16,099.48 : x
  2. Step 2: Convert to fraction form
    17,939.80/26,968.02 = 16,099.48/x
  3. Step 3: Cross multiply
    17,939.80x = 26,968.02 × 16,099.48
  4. Step 4: Simplify right side
    17,939.80x = 434,171,098.63
  5. Step 5: Solve for x
    x = 434,171,098.63/17,939.80
  6. Step 6: Final answer
    x = 24,201.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.