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Finding the Fourth Proportional to 37.43, 56.22 and 33.02

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Solution

The fourth proportional to 37.43, 56.22 and 33.02 is: 49.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.43 : 56.22 = 33.02 : x
  2. Step 2: Convert to fraction form
    37.43/56.22 = 33.02/x
  3. Step 3: Cross multiply
    37.43x = 56.22 × 33.02
  4. Step 4: Simplify right side
    37.43x = 1,856.19
  5. Step 5: Solve for x
    x = 1,856.19/37.43
  6. Step 6: Final answer
    x = 49.59

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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.