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Finding the Fourth Proportional to 50.55, 75.89 and 32.54

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Solution

The fourth proportional to 50.55, 75.89 and 32.54 is: 48.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.55 : 75.89 = 32.54 : x
  2. Step 2: Convert to fraction form
    50.55/75.89 = 32.54/x
  3. Step 3: Cross multiply
    50.55x = 75.89 × 32.54
  4. Step 4: Simplify right side
    50.55x = 2,468.92
  5. Step 5: Solve for x
    x = 2,468.92/50.55
  6. Step 6: Final answer
    x = 48.84

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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.