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Finding the Fourth Proportional to 29.72, 44.66 and 15.48

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Solution

The fourth proportional to 29.72, 44.66 and 15.48 is: 23.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.72 : 44.66 = 15.48 : x
  2. Step 2: Convert to fraction form
    29.72/44.66 = 15.48/x
  3. Step 3: Cross multiply
    29.72x = 44.66 × 15.48
  4. Step 4: Simplify right side
    29.72x = 691.34
  5. Step 5: Solve for x
    x = 691.34/29.72
  6. Step 6: Final answer
    x = 23.26

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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.