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Finding the Fourth Proportional to 62.07, 92.69 and 49.92

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Solution

The fourth proportional to 62.07, 92.69 and 49.92 is: 74.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.07 : 92.69 = 49.92 : x
  2. Step 2: Convert to fraction form
    62.07/92.69 = 49.92/x
  3. Step 3: Cross multiply
    62.07x = 92.69 × 49.92
  4. Step 4: Simplify right side
    62.07x = 4,626.84
  5. Step 5: Solve for x
    x = 4,626.84/62.07
  6. Step 6: Final answer
    x = 74.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.