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Finding the Fourth Proportional to 29.54, 44.29 and 11.25

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Solution

The fourth proportional to 29.54, 44.29 and 11.25 is: 16.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.54 : 44.29 = 11.25 : x
  2. Step 2: Convert to fraction form
    29.54/44.29 = 11.25/x
  3. Step 3: Cross multiply
    29.54x = 44.29 × 11.25
  4. Step 4: Simplify right side
    29.54x = 498.12
  5. Step 5: Solve for x
    x = 498.12/29.54
  6. Step 6: Final answer
    x = 16.86

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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.