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Finding the Fourth Proportional to 49,909.82, 68,793.48 and 35,378.87

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Solution

The fourth proportional to 49,909.82, 68,793.48 and 35,378.87 is: 48,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,909.82 : 68,793.48 = 35,378.87 : x
  2. Step 2: Convert to fraction form
    49,909.82/68,793.48 = 35,378.87/x
  3. Step 3: Cross multiply
    49,909.82x = 68,793.48 × 35,378.87
  4. Step 4: Simplify right side
    49,909.82x = 2,433,835,241.80
  5. Step 5: Solve for x
    x = 2,433,835,241.80/49,909.82
  6. Step 6: Final answer
    x = 48,764.66

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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.