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Finding the Fourth Proportional to 92.44, 127.53 and 59.74

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Solution

The fourth proportional to 92.44, 127.53 and 59.74 is: 82.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.44 : 127.53 = 59.74 : x
  2. Step 2: Convert to fraction form
    92.44/127.53 = 59.74/x
  3. Step 3: Cross multiply
    92.44x = 127.53 × 59.74
  4. Step 4: Simplify right side
    92.44x = 7,618.64
  5. Step 5: Solve for x
    x = 7,618.64/92.44
  6. Step 6: Final answer
    x = 82.42

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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.