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Finding the Fourth Proportional to 44.90, 61.97 and 26.48

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Solution

The fourth proportional to 44.90, 61.97 and 26.48 is: 36.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.90 : 61.97 = 26.48 : x
  2. Step 2: Convert to fraction form
    44.90/61.97 = 26.48/x
  3. Step 3: Cross multiply
    44.90x = 61.97 × 26.48
  4. Step 4: Simplify right side
    44.90x = 1,640.97
  5. Step 5: Solve for x
    x = 1,640.97/44.90
  6. Step 6: Final answer
    x = 36.55

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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.