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Finding the Fourth Proportional to 32.92, 49.39 and 16.88

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Solution

The fourth proportional to 32.92, 49.39 and 16.88 is: 25.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.92 : 49.39 = 16.88 : x
  2. Step 2: Convert to fraction form
    32.92/49.39 = 16.88/x
  3. Step 3: Cross multiply
    32.92x = 49.39 × 16.88
  4. Step 4: Simplify right side
    32.92x = 833.41
  5. Step 5: Solve for x
    x = 833.41/32.92
  6. Step 6: Final answer
    x = 25.32

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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.