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Finding the Fourth Proportional to 26,046.65, 38,893.17 and 20,722.11

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Solution

The fourth proportional to 26,046.65, 38,893.17 and 20,722.11 is: 30,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,046.65 : 38,893.17 = 20,722.11 : x
  2. Step 2: Convert to fraction form
    26,046.65/38,893.17 = 20,722.11/x
  3. Step 3: Cross multiply
    26,046.65x = 38,893.17 × 20,722.11
  4. Step 4: Simplify right side
    26,046.65x = 805,948,546.99
  5. Step 5: Solve for x
    x = 805,948,546.99/26,046.65
  6. Step 6: Final answer
    x = 30,942.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.