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Finding the Fourth Proportional to 23.17, 34.54 and 22.66

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Solution

The fourth proportional to 23.17, 34.54 and 22.66 is: 33.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.17 : 34.54 = 22.66 : x
  2. Step 2: Convert to fraction form
    23.17/34.54 = 22.66/x
  3. Step 3: Cross multiply
    23.17x = 34.54 × 22.66
  4. Step 4: Simplify right side
    23.17x = 782.69
  5. Step 5: Solve for x
    x = 782.69/23.17
  6. Step 6: Final answer
    x = 33.77

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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.