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Finding the Fourth Proportional to 37.98, 56.66 and 33.93

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Solution

The fourth proportional to 37.98, 56.66 and 33.93 is: 50.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.98 : 56.66 = 33.93 : x
  2. Step 2: Convert to fraction form
    37.98/56.66 = 33.93/x
  3. Step 3: Cross multiply
    37.98x = 56.66 × 33.93
  4. Step 4: Simplify right side
    37.98x = 1,922.30
  5. Step 5: Solve for x
    x = 1,922.30/37.98
  6. Step 6: Final answer
    x = 50.61

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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.