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Finding the Fourth Proportional to 22,286.60, 33,425.10 and 9,806.60

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Solution

The fourth proportional to 22,286.60, 33,425.10 and 9,806.60 is: 14,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.60 : 33,425.10 = 9,806.60 : x
  2. Step 2: Convert to fraction form
    22,286.60/33,425.10 = 9,806.60/x
  3. Step 3: Cross multiply
    22,286.60x = 33,425.10 × 9,806.60
  4. Step 4: Simplify right side
    22,286.60x = 327,786,585.66
  5. Step 5: Solve for x
    x = 327,786,585.66/22,286.60
  6. Step 6: Final answer
    x = 14,707.79

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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.