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Finding the Fourth Proportional to 28.11, 41.99 and 24.73

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Solution

The fourth proportional to 28.11, 41.99 and 24.73 is: 36.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.11 : 41.99 = 24.73 : x
  2. Step 2: Convert to fraction form
    28.11/41.99 = 24.73/x
  3. Step 3: Cross multiply
    28.11x = 41.99 × 24.73
  4. Step 4: Simplify right side
    28.11x = 1,038.37
  5. Step 5: Solve for x
    x = 1,038.37/28.11
  6. Step 6: Final answer
    x = 36.94

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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.