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Finding the Fourth Proportional to 33.86, 50.50 and 32.60

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Solution

The fourth proportional to 33.86, 50.50 and 32.60 is: 48.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.86 : 50.50 = 32.60 : x
  2. Step 2: Convert to fraction form
    33.86/50.50 = 32.60/x
  3. Step 3: Cross multiply
    33.86x = 50.50 × 32.60
  4. Step 4: Simplify right side
    33.86x = 1,646.30
  5. Step 5: Solve for x
    x = 1,646.30/33.86
  6. Step 6: Final answer
    x = 48.62

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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.