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Finding the Fourth Proportional to 29.70, 44.49 and 22.08

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Solution

The fourth proportional to 29.70, 44.49 and 22.08 is: 33.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.70 : 44.49 = 22.08 : x
  2. Step 2: Convert to fraction form
    29.70/44.49 = 22.08/x
  3. Step 3: Cross multiply
    29.70x = 44.49 × 22.08
  4. Step 4: Simplify right side
    29.70x = 982.59
  5. Step 5: Solve for x
    x = 982.59/29.70
  6. Step 6: Final answer
    x = 33.08

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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.