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Finding the Fourth Proportional to 37.43, 51.61 and 33.08

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Solution

The fourth proportional to 37.43, 51.61 and 33.08 is: 45.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.43 : 51.61 = 33.08 : x
  2. Step 2: Convert to fraction form
    37.43/51.61 = 33.08/x
  3. Step 3: Cross multiply
    37.43x = 51.61 × 33.08
  4. Step 4: Simplify right side
    37.43x = 1,707.09
  5. Step 5: Solve for x
    x = 1,707.09/37.43
  6. Step 6: Final answer
    x = 45.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.