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Finding the Fourth Proportional to 22.44, 30.94 and 16.63

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Solution

The fourth proportional to 22.44, 30.94 and 16.63 is: 22.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.44 : 30.94 = 16.63 : x
  2. Step 2: Convert to fraction form
    22.44/30.94 = 16.63/x
  3. Step 3: Cross multiply
    22.44x = 30.94 × 16.63
  4. Step 4: Simplify right side
    22.44x = 514.53
  5. Step 5: Solve for x
    x = 514.53/22.44
  6. Step 6: Final answer
    x = 22.93

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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.