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Finding the Fourth Proportional to 17,198.68, 25,798.02 and 13,757.80

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Solution

The fourth proportional to 17,198.68, 25,798.02 and 13,757.80 is: 20,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.68 : 25,798.02 = 13,757.80 : x
  2. Step 2: Convert to fraction form
    17,198.68/25,798.02 = 13,757.80/x
  3. Step 3: Cross multiply
    17,198.68x = 25,798.02 × 13,757.80
  4. Step 4: Simplify right side
    17,198.68x = 354,923,999.56
  5. Step 5: Solve for x
    x = 354,923,999.56/17,198.68
  6. Step 6: Final answer
    x = 20,636.70

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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.