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Finding the Fourth Proportional to 33,286.01, 49,926.28 and 9,912.45

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Solution

The fourth proportional to 33,286.01, 49,926.28 and 9,912.45 is: 14,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.01 : 49,926.28 = 9,912.45 : x
  2. Step 2: Convert to fraction form
    33,286.01/49,926.28 = 9,912.45/x
  3. Step 3: Cross multiply
    33,286.01x = 49,926.28 × 9,912.45
  4. Step 4: Simplify right side
    33,286.01x = 494,891,479.77
  5. Step 5: Solve for x
    x = 494,891,479.77/33,286.01
  6. Step 6: Final answer
    x = 14,867.85

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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.