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Finding the Fourth Proportional to 17.24, 25.80 and 14.98

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Solution

The fourth proportional to 17.24, 25.80 and 14.98 is: 22.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.24 : 25.80 = 14.98 : x
  2. Step 2: Convert to fraction form
    17.24/25.80 = 14.98/x
  3. Step 3: Cross multiply
    17.24x = 25.80 × 14.98
  4. Step 4: Simplify right side
    17.24x = 386.48
  5. Step 5: Solve for x
    x = 386.48/17.24
  6. Step 6: Final answer
    x = 22.42

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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.