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Finding the Fourth Proportional to 22.94, 34.34 and 15.23

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Solution

The fourth proportional to 22.94, 34.34 and 15.23 is: 22.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.94 : 34.34 = 15.23 : x
  2. Step 2: Convert to fraction form
    22.94/34.34 = 15.23/x
  3. Step 3: Cross multiply
    22.94x = 34.34 × 15.23
  4. Step 4: Simplify right side
    22.94x = 523.01
  5. Step 5: Solve for x
    x = 523.01/22.94
  6. Step 6: Final answer
    x = 22.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.