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Finding the Fourth Proportional to 41.92, 62.96 and 26

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Solution

The fourth proportional to 41.92, 62.96 and 26 is: 39.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.92 : 62.96 = 26 : x
  2. Step 2: Convert to fraction form
    41.92/62.96 = 26/x
  3. Step 3: Cross multiply
    41.92x = 62.96 × 26
  4. Step 4: Simplify right side
    41.92x = 1,636.96
  5. Step 5: Solve for x
    x = 1,636.96/41.92
  6. Step 6: Final answer
    x = 39.05

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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.