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Finding the Fourth Proportional to 29.82, 44.73 and 10.55

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Solution

The fourth proportional to 29.82, 44.73 and 10.55 is: 15.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.82 : 44.73 = 10.55 : x
  2. Step 2: Convert to fraction form
    29.82/44.73 = 10.55/x
  3. Step 3: Cross multiply
    29.82x = 44.73 × 10.55
  4. Step 4: Simplify right side
    29.82x = 472.11
  5. Step 5: Solve for x
    x = 472.11/29.82
  6. Step 6: Final answer
    x = 15.83

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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.