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Finding the Fourth Proportional to 24.67, 34.06 and 21.93

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Solution

The fourth proportional to 24.67, 34.06 and 21.93 is: 30.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.67 : 34.06 = 21.93 : x
  2. Step 2: Convert to fraction form
    24.67/34.06 = 21.93/x
  3. Step 3: Cross multiply
    24.67x = 34.06 × 21.93
  4. Step 4: Simplify right side
    24.67x = 746.94
  5. Step 5: Solve for x
    x = 746.94/24.67
  6. Step 6: Final answer
    x = 30.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.