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Finding the Fourth Proportional to 16.57, 24.68 and 16.33

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Solution

The fourth proportional to 16.57, 24.68 and 16.33 is: 24.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.57 : 24.68 = 16.33 : x
  2. Step 2: Convert to fraction form
    16.57/24.68 = 16.33/x
  3. Step 3: Cross multiply
    16.57x = 24.68 × 16.33
  4. Step 4: Simplify right side
    16.57x = 403.02
  5. Step 5: Solve for x
    x = 403.02/16.57
  6. Step 6: Final answer
    x = 24.32

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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.