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Finding the Fourth Proportional to 44.16, 61.21 and 41.19

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Solution

The fourth proportional to 44.16, 61.21 and 41.19 is: 57.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.16 : 61.21 = 41.19 : x
  2. Step 2: Convert to fraction form
    44.16/61.21 = 41.19/x
  3. Step 3: Cross multiply
    44.16x = 61.21 × 41.19
  4. Step 4: Simplify right side
    44.16x = 2,521.24
  5. Step 5: Solve for x
    x = 2,521.24/44.16
  6. Step 6: Final answer
    x = 57.09

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.