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Finding the Fourth Proportional to 23.15, 34.52 and 22.95

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Solution

The fourth proportional to 23.15, 34.52 and 22.95 is: 34.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.15 : 34.52 = 22.95 : x
  2. Step 2: Convert to fraction form
    23.15/34.52 = 22.95/x
  3. Step 3: Cross multiply
    23.15x = 34.52 × 22.95
  4. Step 4: Simplify right side
    23.15x = 792.23
  5. Step 5: Solve for x
    x = 792.23/23.15
  6. Step 6: Final answer
    x = 34.22

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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.