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Finding the Fourth Proportional to 8,019.94, 12,027.17 and 4,069.68

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Solution

The fourth proportional to 8,019.94, 12,027.17 and 4,069.68 is: 6,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.94 : 12,027.17 = 4,069.68 : x
  2. Step 2: Convert to fraction form
    8,019.94/12,027.17 = 4,069.68/x
  3. Step 3: Cross multiply
    8,019.94x = 12,027.17 × 4,069.68
  4. Step 4: Simplify right side
    8,019.94x = 48,946,733.21
  5. Step 5: Solve for x
    x = 48,946,733.21/8,019.94
  6. Step 6: Final answer
    x = 6,103.13

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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.