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Finding the Fourth Proportional to 44.29, 61.18 and 33.42

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Solution

The fourth proportional to 44.29, 61.18 and 33.42 is: 46.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.29 : 61.18 = 33.42 : x
  2. Step 2: Convert to fraction form
    44.29/61.18 = 33.42/x
  3. Step 3: Cross multiply
    44.29x = 61.18 × 33.42
  4. Step 4: Simplify right side
    44.29x = 2,044.55
  5. Step 5: Solve for x
    x = 2,044.55/44.29
  6. Step 6: Final answer
    x = 46.17

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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.