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Finding the Fourth Proportional to 8,000.44, 12,002.10 and 3,619.96

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Solution

The fourth proportional to 8,000.44, 12,002.10 and 3,619.96 is: 5,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.44 : 12,002.10 = 3,619.96 : x
  2. Step 2: Convert to fraction form
    8,000.44/12,002.10 = 3,619.96/x
  3. Step 3: Cross multiply
    8,000.44x = 12,002.10 × 3,619.96
  4. Step 4: Simplify right side
    8,000.44x = 43,447,121.92
  5. Step 5: Solve for x
    x = 43,447,121.92/8,000.44
  6. Step 6: Final answer
    x = 5,430.59

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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.