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Finding the Fourth Proportional to 52.26, 72.09 and 44.94

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Solution

The fourth proportional to 52.26, 72.09 and 44.94 is: 61.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.26 : 72.09 = 44.94 : x
  2. Step 2: Convert to fraction form
    52.26/72.09 = 44.94/x
  3. Step 3: Cross multiply
    52.26x = 72.09 × 44.94
  4. Step 4: Simplify right side
    52.26x = 3,239.72
  5. Step 5: Solve for x
    x = 3,239.72/52.26
  6. Step 6: Final answer
    x = 61.99

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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.