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Finding the Fourth Proportional to 44.49, 61.40 and 27

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Solution

The fourth proportional to 44.49, 61.40 and 27 is: 37.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.49 : 61.40 = 27 : x
  2. Step 2: Convert to fraction form
    44.49/61.40 = 27/x
  3. Step 3: Cross multiply
    44.49x = 61.40 × 27
  4. Step 4: Simplify right side
    44.49x = 1,657.67
  5. Step 5: Solve for x
    x = 1,657.67/44.49
  6. Step 6: Final answer
    x = 37.26

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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.