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Finding the Fourth Proportional to 44.43, 61.38 and 29.94

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Solution

The fourth proportional to 44.43, 61.38 and 29.94 is: 41.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.43 : 61.38 = 29.94 : x
  2. Step 2: Convert to fraction form
    44.43/61.38 = 29.94/x
  3. Step 3: Cross multiply
    44.43x = 61.38 × 29.94
  4. Step 4: Simplify right side
    44.43x = 1,837.72
  5. Step 5: Solve for x
    x = 1,837.72/44.43
  6. Step 6: Final answer
    x = 41.36

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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.