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Finding the Fourth Proportional to 7,198.50, 10,798.41 and 2,004.42

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Solution

The fourth proportional to 7,198.50, 10,798.41 and 2,004.42 is: 3,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.50 : 10,798.41 = 2,004.42 : x
  2. Step 2: Convert to fraction form
    7,198.50/10,798.41 = 2,004.42/x
  3. Step 3: Cross multiply
    7,198.50x = 10,798.41 × 2,004.42
  4. Step 4: Simplify right side
    7,198.50x = 21,644,548.97
  5. Step 5: Solve for x
    x = 21,644,548.97/7,198.50
  6. Step 6: Final answer
    x = 3,006.81

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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.