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Finding the Fourth Proportional to 37.68, 56.24 and 35.92

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Solution

The fourth proportional to 37.68, 56.24 and 35.92 is: 53.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.68 : 56.24 = 35.92 : x
  2. Step 2: Convert to fraction form
    37.68/56.24 = 35.92/x
  3. Step 3: Cross multiply
    37.68x = 56.24 × 35.92
  4. Step 4: Simplify right side
    37.68x = 2,020.14
  5. Step 5: Solve for x
    x = 2,020.14/37.68
  6. Step 6: Final answer
    x = 53.61

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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.