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Finding the Fourth Proportional to 29.76, 44.48 and 29.48

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Solution

The fourth proportional to 29.76, 44.48 and 29.48 is: 44.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.76 : 44.48 = 29.48 : x
  2. Step 2: Convert to fraction form
    29.76/44.48 = 29.48/x
  3. Step 3: Cross multiply
    29.76x = 44.48 × 29.48
  4. Step 4: Simplify right side
    29.76x = 1,311.27
  5. Step 5: Solve for x
    x = 1,311.27/29.76
  6. Step 6: Final answer
    x = 44.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.