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Finding the Fourth Proportional to 26.33, 39.39 and 22.51

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Solution

The fourth proportional to 26.33, 39.39 and 22.51 is: 33.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.33 : 39.39 = 22.51 : x
  2. Step 2: Convert to fraction form
    26.33/39.39 = 22.51/x
  3. Step 3: Cross multiply
    26.33x = 39.39 × 22.51
  4. Step 4: Simplify right side
    26.33x = 886.63
  5. Step 5: Solve for x
    x = 886.63/26.33
  6. Step 6: Final answer
    x = 33.68

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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.