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Finding the Fourth Proportional to 62.61, 93.89 and 33.68

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Solution

The fourth proportional to 62.61, 93.89 and 33.68 is: 50.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.61 : 93.89 = 33.68 : x
  2. Step 2: Convert to fraction form
    62.61/93.89 = 33.68/x
  3. Step 3: Cross multiply
    62.61x = 93.89 × 33.68
  4. Step 4: Simplify right side
    62.61x = 3,161.58
  5. Step 5: Solve for x
    x = 3,161.58/62.61
  6. Step 6: Final answer
    x = 50.50

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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.