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Finding the Fourth Proportional to 26.01, 38.94 and 22.40

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Solution

The fourth proportional to 26.01, 38.94 and 22.40 is: 33.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.01 : 38.94 = 22.40 : x
  2. Step 2: Convert to fraction form
    26.01/38.94 = 22.40/x
  3. Step 3: Cross multiply
    26.01x = 38.94 × 22.40
  4. Step 4: Simplify right side
    26.01x = 872.06
  5. Step 5: Solve for x
    x = 872.06/26.01
  6. Step 6: Final answer
    x = 33.53

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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.