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Finding the Fourth Proportional to 48,730, 67,249.03 and 29,863.48

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Solution

The fourth proportional to 48,730, 67,249.03 and 29,863.48 is: 41,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,730 : 67,249.03 = 29,863.48 : x
  2. Step 2: Convert to fraction form
    48,730/67,249.03 = 29,863.48/x
  3. Step 3: Cross multiply
    48,730x = 67,249.03 × 29,863.48
  4. Step 4: Simplify right side
    48,730x = 2,008,290,062.42
  5. Step 5: Solve for x
    x = 2,008,290,062.42/48,730
  6. Step 6: Final answer
    x = 41,212.60

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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.