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Finding the Fourth Proportional to 92.27, 127.37 and 53.48

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Solution

The fourth proportional to 92.27, 127.37 and 53.48 is: 73.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.27 : 127.37 = 53.48 : x
  2. Step 2: Convert to fraction form
    92.27/127.37 = 53.48/x
  3. Step 3: Cross multiply
    92.27x = 127.37 × 53.48
  4. Step 4: Simplify right side
    92.27x = 6,811.75
  5. Step 5: Solve for x
    x = 6,811.75/92.27
  6. Step 6: Final answer
    x = 73.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.