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Finding the Fourth Proportional to 62.06, 92.57 and 54.95

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Solution

The fourth proportional to 62.06, 92.57 and 54.95 is: 81.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.06 : 92.57 = 54.95 : x
  2. Step 2: Convert to fraction form
    62.06/92.57 = 54.95/x
  3. Step 3: Cross multiply
    62.06x = 92.57 × 54.95
  4. Step 4: Simplify right side
    62.06x = 5,085.98
  5. Step 5: Solve for x
    x = 5,085.98/62.06
  6. Step 6: Final answer
    x = 81.96

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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.