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Finding the Fourth Proportional to 92.04, 127 and 53.22

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Solution

The fourth proportional to 92.04, 127 and 53.22 is: 73.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.04 : 127 = 53.22 : x
  2. Step 2: Convert to fraction form
    92.04/127 = 53.22/x
  3. Step 3: Cross multiply
    92.04x = 127 × 53.22
  4. Step 4: Simplify right side
    92.04x = 6,758.94
  5. Step 5: Solve for x
    x = 6,758.94/92.04
  6. Step 6: Final answer
    x = 73.43

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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.