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Finding the Fourth Proportional to 29.67, 44.43 and 28

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Solution

The fourth proportional to 29.67, 44.43 and 28 is: 41.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.67 : 44.43 = 28 : x
  2. Step 2: Convert to fraction form
    29.67/44.43 = 28/x
  3. Step 3: Cross multiply
    29.67x = 44.43 × 28
  4. Step 4: Simplify right side
    29.67x = 1,244.04
  5. Step 5: Solve for x
    x = 1,244.04/29.67
  6. Step 6: Final answer
    x = 41.93

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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.