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Finding the Fourth Proportional to 32.18, 48.29 and 16.97

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Solution

The fourth proportional to 32.18, 48.29 and 16.97 is: 25.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.18 : 48.29 = 16.97 : x
  2. Step 2: Convert to fraction form
    32.18/48.29 = 16.97/x
  3. Step 3: Cross multiply
    32.18x = 48.29 × 16.97
  4. Step 4: Simplify right side
    32.18x = 819.55
  5. Step 5: Solve for x
    x = 819.55/32.18
  6. Step 6: Final answer
    x = 25.47

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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.