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Finding the Fourth Proportional to 36.22, 49.98 and 29.74

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Solution

The fourth proportional to 36.22, 49.98 and 29.74 is: 41.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.22 : 49.98 = 29.74 : x
  2. Step 2: Convert to fraction form
    36.22/49.98 = 29.74/x
  3. Step 3: Cross multiply
    36.22x = 49.98 × 29.74
  4. Step 4: Simplify right side
    36.22x = 1,486.41
  5. Step 5: Solve for x
    x = 1,486.41/36.22
  6. Step 6: Final answer
    x = 41.04

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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.