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Finding the Fourth Proportional to 49.03, 67.65 and 32.42

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Solution

The fourth proportional to 49.03, 67.65 and 32.42 is: 44.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.03 : 67.65 = 32.42 : x
  2. Step 2: Convert to fraction form
    49.03/67.65 = 32.42/x
  3. Step 3: Cross multiply
    49.03x = 67.65 × 32.42
  4. Step 4: Simplify right side
    49.03x = 2,193.44
  5. Step 5: Solve for x
    x = 2,193.44/49.03
  6. Step 6: Final answer
    x = 44.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.