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Finding the Fourth Proportional to 92.46, 127.62 and 53.67

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Solution

The fourth proportional to 92.46, 127.62 and 53.67 is: 74.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.46 : 127.62 = 53.67 : x
  2. Step 2: Convert to fraction form
    92.46/127.62 = 53.67/x
  3. Step 3: Cross multiply
    92.46x = 127.62 × 53.67
  4. Step 4: Simplify right side
    92.46x = 6,849.37
  5. Step 5: Solve for x
    x = 6,849.37/92.46
  6. Step 6: Final answer
    x = 74.08

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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.