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Finding the Fourth Proportional to 92.06, 127.05 and 53.24

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Solution

The fourth proportional to 92.06, 127.05 and 53.24 is: 73.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.06 : 127.05 = 53.24 : x
  2. Step 2: Convert to fraction form
    92.06/127.05 = 53.24/x
  3. Step 3: Cross multiply
    92.06x = 127.05 × 53.24
  4. Step 4: Simplify right side
    92.06x = 6,764.14
  5. Step 5: Solve for x
    x = 6,764.14/92.06
  6. Step 6: Final answer
    x = 73.48

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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.