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Finding the Fourth Proportional to 50.43, 75.65 and 32.41

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Solution

The fourth proportional to 50.43, 75.65 and 32.41 is: 48.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.43 : 75.65 = 32.41 : x
  2. Step 2: Convert to fraction form
    50.43/75.65 = 32.41/x
  3. Step 3: Cross multiply
    50.43x = 75.65 × 32.41
  4. Step 4: Simplify right side
    50.43x = 2,451.47
  5. Step 5: Solve for x
    x = 2,451.47/50.43
  6. Step 6: Final answer
    x = 48.61

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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.