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Finding the Fourth Proportional to 33,614.87, 50,418.16 and 8,655.05

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Solution

The fourth proportional to 33,614.87, 50,418.16 and 8,655.05 is: 12,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,614.87 : 50,418.16 = 8,655.05 : x
  2. Step 2: Convert to fraction form
    33,614.87/50,418.16 = 8,655.05/x
  3. Step 3: Cross multiply
    33,614.87x = 50,418.16 × 8,655.05
  4. Step 4: Simplify right side
    33,614.87x = 436,371,848.80
  5. Step 5: Solve for x
    x = 436,371,848.80/33,614.87
  6. Step 6: Final answer
    x = 12,981.51

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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.