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Finding the Fourth Proportional to 20,162.80, 26,834.83 and 20,162.80

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Solution

The fourth proportional to 20,162.80, 26,834.83 and 20,162.80 is: 26,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.80 : 26,834.83 = 20,162.80 : x
  2. Step 2: Convert to fraction form
    20,162.80/26,834.83 = 20,162.80/x
  3. Step 3: Cross multiply
    20,162.80x = 26,834.83 × 20,162.80
  4. Step 4: Simplify right side
    20,162.80x = 541,065,310.32
  5. Step 5: Solve for x
    x = 541,065,310.32/20,162.80
  6. Step 6: Final answer
    x = 26,834.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.