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Finding the Fourth Proportional to 36,709.98, 50,658.15 and 20,794.11

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Solution

The fourth proportional to 36,709.98, 50,658.15 and 20,794.11 is: 28,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,709.98 : 50,658.15 = 20,794.11 : x
  2. Step 2: Convert to fraction form
    36,709.98/50,658.15 = 20,794.11/x
  3. Step 3: Cross multiply
    36,709.98x = 50,658.15 × 20,794.11
  4. Step 4: Simplify right side
    36,709.98x = 1,053,391,143.50
  5. Step 5: Solve for x
    x = 1,053,391,143.50/36,709.98
  6. Step 6: Final answer
    x = 28,694.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.