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Finding the Fourth Proportional to 56.14, 84.17 and 33.33

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Solution

The fourth proportional to 56.14, 84.17 and 33.33 is: 49.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.14 : 84.17 = 33.33 : x
  2. Step 2: Convert to fraction form
    56.14/84.17 = 33.33/x
  3. Step 3: Cross multiply
    56.14x = 84.17 × 33.33
  4. Step 4: Simplify right side
    56.14x = 2,804.80
  5. Step 5: Solve for x
    x = 2,804.80/56.14
  6. Step 6: Final answer
    x = 49.96

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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.