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Finding the Fourth Proportional to 22.73, 34.01 and 21.93

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Solution

The fourth proportional to 22.73, 34.01 and 21.93 is: 32.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.73 : 34.01 = 21.93 : x
  2. Step 2: Convert to fraction form
    22.73/34.01 = 21.93/x
  3. Step 3: Cross multiply
    22.73x = 34.01 × 21.93
  4. Step 4: Simplify right side
    22.73x = 745.84
  5. Step 5: Solve for x
    x = 745.84/22.73
  6. Step 6: Final answer
    x = 32.82

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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.