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Finding the Fourth Proportional to 41.94, 62.92 and 11.51

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Solution

The fourth proportional to 41.94, 62.92 and 11.51 is: 17.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.94 : 62.92 = 11.51 : x
  2. Step 2: Convert to fraction form
    41.94/62.92 = 11.51/x
  3. Step 3: Cross multiply
    41.94x = 62.92 × 11.51
  4. Step 4: Simplify right side
    41.94x = 724.43
  5. Step 5: Solve for x
    x = 724.43/41.94
  6. Step 6: Final answer
    x = 17.27

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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.