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Finding the Fourth Proportional to 61.33, 92.10 and 37.44

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Solution

The fourth proportional to 61.33, 92.10 and 37.44 is: 56.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.33 : 92.10 = 37.44 : x
  2. Step 2: Convert to fraction form
    61.33/92.10 = 37.44/x
  3. Step 3: Cross multiply
    61.33x = 92.10 × 37.44
  4. Step 4: Simplify right side
    61.33x = 3,447.95
  5. Step 5: Solve for x
    x = 3,447.95/61.33
  6. Step 6: Final answer
    x = 56.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.