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Finding the Fourth Proportional to 17,211.80, 25,793.09 and 9,800.96

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Solution

The fourth proportional to 17,211.80, 25,793.09 and 9,800.96 is: 14,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.80 : 25,793.09 = 9,800.96 : x
  2. Step 2: Convert to fraction form
    17,211.80/25,793.09 = 9,800.96/x
  3. Step 3: Cross multiply
    17,211.80x = 25,793.09 × 9,800.96
  4. Step 4: Simplify right side
    17,211.80x = 252,797,043.37
  5. Step 5: Solve for x
    x = 252,797,043.37/17,211.80
  6. Step 6: Final answer
    x = 14,687.43

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1.5x scale

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.