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Finding the Fourth Proportional to 17,096.20, 25,644.30 and 16,865.80

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Solution

The fourth proportional to 17,096.20, 25,644.30 and 16,865.80 is: 25,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,096.20 : 25,644.30 = 16,865.80 : x
  2. Step 2: Convert to fraction form
    17,096.20/25,644.30 = 16,865.80/x
  3. Step 3: Cross multiply
    17,096.20x = 25,644.30 × 16,865.80
  4. Step 4: Simplify right side
    17,096.20x = 432,511,634.94
  5. Step 5: Solve for x
    x = 432,511,634.94/17,096.20
  6. Step 6: Final answer
    x = 25,298.70

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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.