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Finding the Fourth Proportional to 62.46, 93.74 and 61.25

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Solution

The fourth proportional to 62.46, 93.74 and 61.25 is: 91.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.46 : 93.74 = 61.25 : x
  2. Step 2: Convert to fraction form
    62.46/93.74 = 61.25/x
  3. Step 3: Cross multiply
    62.46x = 93.74 × 61.25
  4. Step 4: Simplify right side
    62.46x = 5,740.80
  5. Step 5: Solve for x
    x = 5,740.80/62.46
  6. Step 6: Final answer
    x = 91.91

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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.