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Finding the Fourth Proportional to 50.34, 75.44 and 32.30

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Solution

The fourth proportional to 50.34, 75.44 and 32.30 is: 48.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.34 : 75.44 = 32.30 : x
  2. Step 2: Convert to fraction form
    50.34/75.44 = 32.30/x
  3. Step 3: Cross multiply
    50.34x = 75.44 × 32.30
  4. Step 4: Simplify right side
    50.34x = 2,436.71
  5. Step 5: Solve for x
    x = 2,436.71/50.34
  6. Step 6: Final answer
    x = 48.41

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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.