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Finding the Fourth Proportional to 92.44, 138.62 and 34.66

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Solution

The fourth proportional to 92.44, 138.62 and 34.66 is: 51.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.44 : 138.62 = 34.66 : x
  2. Step 2: Convert to fraction form
    92.44/138.62 = 34.66/x
  3. Step 3: Cross multiply
    92.44x = 138.62 × 34.66
  4. Step 4: Simplify right side
    92.44x = 4,804.57
  5. Step 5: Solve for x
    x = 4,804.57/92.44
  6. Step 6: Final answer
    x = 51.98

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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.