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Finding the Fourth Proportional to 35.63, 49.09 and 27.44

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Solution

The fourth proportional to 35.63, 49.09 and 27.44 is: 37.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.63 : 49.09 = 27.44 : x
  2. Step 2: Convert to fraction form
    35.63/49.09 = 27.44/x
  3. Step 3: Cross multiply
    35.63x = 49.09 × 27.44
  4. Step 4: Simplify right side
    35.63x = 1,347.03
  5. Step 5: Solve for x
    x = 1,347.03/35.63
  6. Step 6: Final answer
    x = 37.81

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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.