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Finding the Fourth Proportional to 33.32, 50.12 and 27.93

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Solution

The fourth proportional to 33.32, 50.12 and 27.93 is: 42.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.32 : 50.12 = 27.93 : x
  2. Step 2: Convert to fraction form
    33.32/50.12 = 27.93/x
  3. Step 3: Cross multiply
    33.32x = 50.12 × 27.93
  4. Step 4: Simplify right side
    33.32x = 1,399.71
  5. Step 5: Solve for x
    x = 1,399.71/33.32
  6. Step 6: Final answer
    x = 42.01

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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.