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Finding the Fourth Proportional to 16.33, 24.45 and 14.77

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Solution

The fourth proportional to 16.33, 24.45 and 14.77 is: 22.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.33 : 24.45 = 14.77 : x
  2. Step 2: Convert to fraction form
    16.33/24.45 = 14.77/x
  3. Step 3: Cross multiply
    16.33x = 24.45 × 14.77
  4. Step 4: Simplify right side
    16.33x = 361.15
  5. Step 5: Solve for x
    x = 361.15/16.33
  6. Step 6: Final answer
    x = 22.12

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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.