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Finding the Fourth Proportional to 8,104, 12,161.04 and 3,487.04

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Solution

The fourth proportional to 8,104, 12,161.04 and 3,487.04 is: 5,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104 : 12,161.04 = 3,487.04 : x
  2. Step 2: Convert to fraction form
    8,104/12,161.04 = 3,487.04/x
  3. Step 3: Cross multiply
    8,104x = 12,161.04 × 3,487.04
  4. Step 4: Simplify right side
    8,104x = 42,406,032.92
  5. Step 5: Solve for x
    x = 42,406,032.92/8,104
  6. Step 6: Final answer
    x = 5,232.73

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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.