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Finding the Fourth Proportional to 27.73, 41.57 and 14.19

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Solution

The fourth proportional to 27.73, 41.57 and 14.19 is: 21.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.73 : 41.57 = 14.19 : x
  2. Step 2: Convert to fraction form
    27.73/41.57 = 14.19/x
  3. Step 3: Cross multiply
    27.73x = 41.57 × 14.19
  4. Step 4: Simplify right side
    27.73x = 589.60
  5. Step 5: Solve for x
    x = 589.60/27.73
  6. Step 6: Final answer
    x = 21.26

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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.