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Finding the Fourth Proportional to 29.63, 44.41 and 13.57

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Solution

The fourth proportional to 29.63, 44.41 and 13.57 is: 20.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.63 : 44.41 = 13.57 : x
  2. Step 2: Convert to fraction form
    29.63/44.41 = 13.57/x
  3. Step 3: Cross multiply
    29.63x = 44.41 × 13.57
  4. Step 4: Simplify right side
    29.63x = 602.35
  5. Step 5: Solve for x
    x = 602.35/29.63
  6. Step 6: Final answer
    x = 20.33

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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.