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Finding the Fourth Proportional to 22,685.43, 34,028.18 and 8,834.43

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Solution

The fourth proportional to 22,685.43, 34,028.18 and 8,834.43 is: 13,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.43 : 34,028.18 = 8,834.43 : x
  2. Step 2: Convert to fraction form
    22,685.43/34,028.18 = 8,834.43/x
  3. Step 3: Cross multiply
    22,685.43x = 34,028.18 × 8,834.43
  4. Step 4: Simplify right side
    22,685.43x = 300,619,574.24
  5. Step 5: Solve for x
    x = 300,619,574.24/22,685.43
  6. Step 6: Final answer
    x = 13,251.66

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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.