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Finding the Fourth Proportional to 27.62, 41.47 and 16.23

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Solution

The fourth proportional to 27.62, 41.47 and 16.23 is: 24.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.62 : 41.47 = 16.23 : x
  2. Step 2: Convert to fraction form
    27.62/41.47 = 16.23/x
  3. Step 3: Cross multiply
    27.62x = 41.47 × 16.23
  4. Step 4: Simplify right side
    27.62x = 673.02
  5. Step 5: Solve for x
    x = 673.02/27.62
  6. Step 6: Final answer
    x = 24.37

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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.