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Finding the Fourth Proportional to 6,006.90, 8,998.20 and 3,406.80

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Solution

The fourth proportional to 6,006.90, 8,998.20 and 3,406.80 is: 5,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,006.90 : 8,998.20 = 3,406.80 : x
  2. Step 2: Convert to fraction form
    6,006.90/8,998.20 = 3,406.80/x
  3. Step 3: Cross multiply
    6,006.90x = 8,998.20 × 3,406.80
  4. Step 4: Simplify right side
    6,006.90x = 30,655,067.76
  5. Step 5: Solve for x
    x = 30,655,067.76/6,006.90
  6. Step 6: Final answer
    x = 5,103.31

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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.