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Finding the Fourth Proportional to 33,934.79, 50,900.10 and 15,209.79

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Solution

The fourth proportional to 33,934.79, 50,900.10 and 15,209.79 is: 22,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,934.79 : 50,900.10 = 15,209.79 : x
  2. Step 2: Convert to fraction form
    33,934.79/50,900.10 = 15,209.79/x
  3. Step 3: Cross multiply
    33,934.79x = 50,900.10 × 15,209.79
  4. Step 4: Simplify right side
    33,934.79x = 774,179,870.38
  5. Step 5: Solve for x
    x = 774,179,870.38/33,934.79
  6. Step 6: Final answer
    x = 22,813.75

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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.