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Finding the Fourth Proportional to 24.98, 37.51 and 12.97

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Solution

The fourth proportional to 24.98, 37.51 and 12.97 is: 19.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.98 : 37.51 = 12.97 : x
  2. Step 2: Convert to fraction form
    24.98/37.51 = 12.97/x
  3. Step 3: Cross multiply
    24.98x = 37.51 × 12.97
  4. Step 4: Simplify right side
    24.98x = 486.38
  5. Step 5: Solve for x
    x = 486.38/24.98
  6. Step 6: Final answer
    x = 19.47

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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.