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Finding the Fourth Proportional to 62.46, 93.52 and 54.94

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Solution

The fourth proportional to 62.46, 93.52 and 54.94 is: 82.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.46 : 93.52 = 54.94 : x
  2. Step 2: Convert to fraction form
    62.46/93.52 = 54.94/x
  3. Step 3: Cross multiply
    62.46x = 93.52 × 54.94
  4. Step 4: Simplify right side
    62.46x = 5,137.99
  5. Step 5: Solve for x
    x = 5,137.99/62.46
  6. Step 6: Final answer
    x = 82.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.