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Finding the Fourth Proportional to 29.26, 43.90 and 29.22

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Solution

The fourth proportional to 29.26, 43.90 and 29.22 is: 43.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.26 : 43.90 = 29.22 : x
  2. Step 2: Convert to fraction form
    29.26/43.90 = 29.22/x
  3. Step 3: Cross multiply
    29.26x = 43.90 × 29.22
  4. Step 4: Simplify right side
    29.26x = 1,282.76
  5. Step 5: Solve for x
    x = 1,282.76/29.26
  6. Step 6: Final answer
    x = 43.84

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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.