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Finding the Fourth Proportional to 44.50, 61.22 and 41.98

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Solution

The fourth proportional to 44.50, 61.22 and 41.98 is: 57.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.50 : 61.22 = 41.98 : x
  2. Step 2: Convert to fraction form
    44.50/61.22 = 41.98/x
  3. Step 3: Cross multiply
    44.50x = 61.22 × 41.98
  4. Step 4: Simplify right side
    44.50x = 2,569.81
  5. Step 5: Solve for x
    x = 2,569.81/44.50
  6. Step 6: Final answer
    x = 57.75

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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.