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Finding the Fourth Proportional to 29.36, 44.02 and 11.31

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Solution

The fourth proportional to 29.36, 44.02 and 11.31 is: 16.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.36 : 44.02 = 11.31 : x
  2. Step 2: Convert to fraction form
    29.36/44.02 = 11.31/x
  3. Step 3: Cross multiply
    29.36x = 44.02 × 11.31
  4. Step 4: Simplify right side
    29.36x = 497.81
  5. Step 5: Solve for x
    x = 497.81/29.36
  6. Step 6: Final answer
    x = 16.96

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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.