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Finding the Fourth Proportional to 24.94, 37.41 and 12.91

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Solution

The fourth proportional to 24.94, 37.41 and 12.91 is: 19.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.94 : 37.41 = 12.91 : x
  2. Step 2: Convert to fraction form
    24.94/37.41 = 12.91/x
  3. Step 3: Cross multiply
    24.94x = 37.41 × 12.91
  4. Step 4: Simplify right side
    24.94x = 482.96
  5. Step 5: Solve for x
    x = 482.96/24.94
  6. Step 6: Final answer
    x = 19.37

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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.