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Finding the Fourth Proportional to 44.44, 61.29 and 29.86

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Solution

The fourth proportional to 44.44, 61.29 and 29.86 is: 41.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.44 : 61.29 = 29.86 : x
  2. Step 2: Convert to fraction form
    44.44/61.29 = 29.86/x
  3. Step 3: Cross multiply
    44.44x = 61.29 × 29.86
  4. Step 4: Simplify right side
    44.44x = 1,830.12
  5. Step 5: Solve for x
    x = 1,830.12/44.44
  6. Step 6: Final answer
    x = 41.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.