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Finding the Fourth Proportional to 37.28, 56.04 and 33.38

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Solution

The fourth proportional to 37.28, 56.04 and 33.38 is: 50.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.28 : 56.04 = 33.38 : x
  2. Step 2: Convert to fraction form
    37.28/56.04 = 33.38/x
  3. Step 3: Cross multiply
    37.28x = 56.04 × 33.38
  4. Step 4: Simplify right side
    37.28x = 1,870.62
  5. Step 5: Solve for x
    x = 1,870.62/37.28
  6. Step 6: Final answer
    x = 50.18

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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.