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Finding the Fourth Proportional to 22.95, 34.22 and 22.88

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Solution

The fourth proportional to 22.95, 34.22 and 22.88 is: 34.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.95 : 34.22 = 22.88 : x
  2. Step 2: Convert to fraction form
    22.95/34.22 = 22.88/x
  3. Step 3: Cross multiply
    22.95x = 34.22 × 22.88
  4. Step 4: Simplify right side
    22.95x = 783.10
  5. Step 5: Solve for x
    x = 783.10/22.95
  6. Step 6: Final answer
    x = 34.12

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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.