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Finding the Fourth Proportional to 23.34, 32.22 and 17.18

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Solution

The fourth proportional to 23.34, 32.22 and 17.18 is: 23.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.34 : 32.22 = 17.18 : x
  2. Step 2: Convert to fraction form
    23.34/32.22 = 17.18/x
  3. Step 3: Cross multiply
    23.34x = 32.22 × 17.18
  4. Step 4: Simplify right side
    23.34x = 553.54
  5. Step 5: Solve for x
    x = 553.54/23.34
  6. Step 6: Final answer
    x = 23.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.