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Finding the Fourth Proportional to 79,891, 119,836.52 and 24,487

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Solution

The fourth proportional to 79,891, 119,836.52 and 24,487 is: 36,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,891 : 119,836.52 = 24,487 : x
  2. Step 2: Convert to fraction form
    79,891/119,836.52 = 24,487/x
  3. Step 3: Cross multiply
    79,891x = 119,836.52 × 24,487
  4. Step 4: Simplify right side
    79,891x = 2,934,436,865.24
  5. Step 5: Solve for x
    x = 2,934,436,865.24/79,891
  6. Step 6: Final answer
    x = 36,730.51

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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.