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Finding the Fourth Proportional to 41.22, 56.82 and 35.67

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Solution

The fourth proportional to 41.22, 56.82 and 35.67 is: 49.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.22 : 56.82 = 35.67 : x
  2. Step 2: Convert to fraction form
    41.22/56.82 = 35.67/x
  3. Step 3: Cross multiply
    41.22x = 56.82 × 35.67
  4. Step 4: Simplify right side
    41.22x = 2,026.77
  5. Step 5: Solve for x
    x = 2,026.77/41.22
  6. Step 6: Final answer
    x = 49.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.