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Finding the Fourth Proportional to 26,834.20, 40,251.30 and 19,922.20

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Solution

The fourth proportional to 26,834.20, 40,251.30 and 19,922.20 is: 29,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,834.20 : 40,251.30 = 19,922.20 : x
  2. Step 2: Convert to fraction form
    26,834.20/40,251.30 = 19,922.20/x
  3. Step 3: Cross multiply
    26,834.20x = 40,251.30 × 19,922.20
  4. Step 4: Simplify right side
    26,834.20x = 801,894,448.86
  5. Step 5: Solve for x
    x = 801,894,448.86/26,834.20
  6. Step 6: Final answer
    x = 29,883.30

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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.