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Finding the Fourth Proportional to 22.76, 33.94 and 22.44

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Solution

The fourth proportional to 22.76, 33.94 and 22.44 is: 33.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.76 : 33.94 = 22.44 : x
  2. Step 2: Convert to fraction form
    22.76/33.94 = 22.44/x
  3. Step 3: Cross multiply
    22.76x = 33.94 × 22.44
  4. Step 4: Simplify right side
    22.76x = 761.61
  5. Step 5: Solve for x
    x = 761.61/22.76
  6. Step 6: Final answer
    x = 33.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.