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Finding the Fourth Proportional to 7,472.99, 11,208.11 and 2,206.85

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Solution

The fourth proportional to 7,472.99, 11,208.11 and 2,206.85 is: 3,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.99 : 11,208.11 = 2,206.85 : x
  2. Step 2: Convert to fraction form
    7,472.99/11,208.11 = 2,206.85/x
  3. Step 3: Cross multiply
    7,472.99x = 11,208.11 × 2,206.85
  4. Step 4: Simplify right side
    7,472.99x = 24,734,550.48
  5. Step 5: Solve for x
    x = 24,734,550.48/7,472.99
  6. Step 6: Final answer
    x = 3,309.86

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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.