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Finding the Fourth Proportional to 62.37, 93.42 and 61.74

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Solution

The fourth proportional to 62.37, 93.42 and 61.74 is: 92.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.37 : 93.42 = 61.74 : x
  2. Step 2: Convert to fraction form
    62.37/93.42 = 61.74/x
  3. Step 3: Cross multiply
    62.37x = 93.42 × 61.74
  4. Step 4: Simplify right side
    62.37x = 5,767.75
  5. Step 5: Solve for x
    x = 5,767.75/62.37
  6. Step 6: Final answer
    x = 92.48

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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.