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Finding the Fourth Proportional to 29.92, 45.13 and 29.44

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Solution

The fourth proportional to 29.92, 45.13 and 29.44 is: 44.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.92 : 45.13 = 29.44 : x
  2. Step 2: Convert to fraction form
    29.92/45.13 = 29.44/x
  3. Step 3: Cross multiply
    29.92x = 45.13 × 29.44
  4. Step 4: Simplify right side
    29.92x = 1,328.63
  5. Step 5: Solve for x
    x = 1,328.63/29.92
  6. Step 6: Final answer
    x = 44.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.