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Finding the Fourth Proportional to 29.63, 44.42 and 16.11

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Solution

The fourth proportional to 29.63, 44.42 and 16.11 is: 24.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.63 : 44.42 = 16.11 : x
  2. Step 2: Convert to fraction form
    29.63/44.42 = 16.11/x
  3. Step 3: Cross multiply
    29.63x = 44.42 × 16.11
  4. Step 4: Simplify right side
    29.63x = 715.61
  5. Step 5: Solve for x
    x = 715.61/29.63
  6. Step 6: Final answer
    x = 24.15

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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.