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Finding the Fourth Proportional to 29.52, 44.24 and 15.28

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Solution

The fourth proportional to 29.52, 44.24 and 15.28 is: 22.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.52 : 44.24 = 15.28 : x
  2. Step 2: Convert to fraction form
    29.52/44.24 = 15.28/x
  3. Step 3: Cross multiply
    29.52x = 44.24 × 15.28
  4. Step 4: Simplify right side
    29.52x = 675.99
  5. Step 5: Solve for x
    x = 675.99/29.52
  6. Step 6: Final answer
    x = 22.90

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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.