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Finding the Fourth Proportional to 17.92, 24.69 and 14.98

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Solution

The fourth proportional to 17.92, 24.69 and 14.98 is: 20.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.92 : 24.69 = 14.98 : x
  2. Step 2: Convert to fraction form
    17.92/24.69 = 14.98/x
  3. Step 3: Cross multiply
    17.92x = 24.69 × 14.98
  4. Step 4: Simplify right side
    17.92x = 369.86
  5. Step 5: Solve for x
    x = 369.86/17.92
  6. Step 6: Final answer
    x = 20.64

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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.