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Finding the Fourth Proportional to 33,089.80, 49,629.84 and 13,367.92

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Solution

The fourth proportional to 33,089.80, 49,629.84 and 13,367.92 is: 20,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,089.80 : 49,629.84 = 13,367.92 : x
  2. Step 2: Convert to fraction form
    33,089.80/49,629.84 = 13,367.92/x
  3. Step 3: Cross multiply
    33,089.80x = 49,629.84 × 13,367.92
  4. Step 4: Simplify right side
    33,089.80x = 663,447,730.73
  5. Step 5: Solve for x
    x = 663,447,730.73/33,089.80
  6. Step 6: Final answer
    x = 20,049.92

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1.5x scale

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.