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Finding the Fourth Proportional to 40.44, 60.63 and 16.38

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Solution

The fourth proportional to 40.44, 60.63 and 16.38 is: 24.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.44 : 60.63 = 16.38 : x
  2. Step 2: Convert to fraction form
    40.44/60.63 = 16.38/x
  3. Step 3: Cross multiply
    40.44x = 60.63 × 16.38
  4. Step 4: Simplify right side
    40.44x = 993.12
  5. Step 5: Solve for x
    x = 993.12/40.44
  6. Step 6: Final answer
    x = 24.56

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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.