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Finding the Fourth Proportional to 23.42, 34.95 and 22.23

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Solution

The fourth proportional to 23.42, 34.95 and 22.23 is: 33.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.42 : 34.95 = 22.23 : x
  2. Step 2: Convert to fraction form
    23.42/34.95 = 22.23/x
  3. Step 3: Cross multiply
    23.42x = 34.95 × 22.23
  4. Step 4: Simplify right side
    23.42x = 776.83
  5. Step 5: Solve for x
    x = 776.83/23.42
  6. Step 6: Final answer
    x = 33.17

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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.