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Finding the Fourth Proportional to 17,010.20, 25,515.30 and 16,329.80

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Solution

The fourth proportional to 17,010.20, 25,515.30 and 16,329.80 is: 24,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,010.20 : 25,515.30 = 16,329.80 : x
  2. Step 2: Convert to fraction form
    17,010.20/25,515.30 = 16,329.80/x
  3. Step 3: Cross multiply
    17,010.20x = 25,515.30 × 16,329.80
  4. Step 4: Simplify right side
    17,010.20x = 416,659,745.94
  5. Step 5: Solve for x
    x = 416,659,745.94/17,010.20
  6. Step 6: Final answer
    x = 24,494.70

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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.