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Finding the Fourth Proportional to 7,198.13, 9,933.26 and 4,011.41

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Solution

The fourth proportional to 7,198.13, 9,933.26 and 4,011.41 is: 5,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.13 : 9,933.26 = 4,011.41 : x
  2. Step 2: Convert to fraction form
    7,198.13/9,933.26 = 4,011.41/x
  3. Step 3: Cross multiply
    7,198.13x = 9,933.26 × 4,011.41
  4. Step 4: Simplify right side
    7,198.13x = 39,846,378.50
  5. Step 5: Solve for x
    x = 39,846,378.50/7,198.13
  6. Step 6: Final answer
    x = 5,535.66

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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.