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Finding the Fourth Proportional to 41.92, 62.50 and 37.88

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Solution

The fourth proportional to 41.92, 62.50 and 37.88 is: 56.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.92 : 62.50 = 37.88 : x
  2. Step 2: Convert to fraction form
    41.92/62.50 = 37.88/x
  3. Step 3: Cross multiply
    41.92x = 62.50 × 37.88
  4. Step 4: Simplify right side
    41.92x = 2,367.50
  5. Step 5: Solve for x
    x = 2,367.50/41.92
  6. Step 6: Final answer
    x = 56.48

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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.