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Finding the Fourth Proportional to 35.61, 49.15 and 27.41

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Solution

The fourth proportional to 35.61, 49.15 and 27.41 is: 37.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.61 : 49.15 = 27.41 : x
  2. Step 2: Convert to fraction form
    35.61/49.15 = 27.41/x
  3. Step 3: Cross multiply
    35.61x = 49.15 × 27.41
  4. Step 4: Simplify right side
    35.61x = 1,347.20
  5. Step 5: Solve for x
    x = 1,347.20/35.61
  6. Step 6: Final answer
    x = 37.83

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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.