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Finding the Fourth Proportional to 17.93, 24.73 and 12.48

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Solution

The fourth proportional to 17.93, 24.73 and 12.48 is: 17.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.93 : 24.73 = 12.48 : x
  2. Step 2: Convert to fraction form
    17.93/24.73 = 12.48/x
  3. Step 3: Cross multiply
    17.93x = 24.73 × 12.48
  4. Step 4: Simplify right side
    17.93x = 308.63
  5. Step 5: Solve for x
    x = 308.63/17.93
  6. Step 6: Final answer
    x = 17.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.