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Finding the Fourth Proportional to 22.95, 34.22 and 22.68

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Solution

The fourth proportional to 22.95, 34.22 and 22.68 is: 33.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.95 : 34.22 = 22.68 : x
  2. Step 2: Convert to fraction form
    22.95/34.22 = 22.68/x
  3. Step 3: Cross multiply
    22.95x = 34.22 × 22.68
  4. Step 4: Simplify right side
    22.95x = 776.00
  5. Step 5: Solve for x
    x = 776.00/22.95
  6. Step 6: Final answer
    x = 33.81

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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.