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Finding the Fourth Proportional to 92.27, 127.32 and 52.93

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Solution

The fourth proportional to 92.27, 127.32 and 52.93 is: 73.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.27 : 127.32 = 52.93 : x
  2. Step 2: Convert to fraction form
    92.27/127.32 = 52.93/x
  3. Step 3: Cross multiply
    92.27x = 127.32 × 52.93
  4. Step 4: Simplify right side
    92.27x = 6,738.15
  5. Step 5: Solve for x
    x = 6,738.15/92.27
  6. Step 6: Final answer
    x = 73.03

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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.