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Finding the Fourth Proportional to 8,188.03, 12,278.13 and 3,744.37

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Solution

The fourth proportional to 8,188.03, 12,278.13 and 3,744.37 is: 5,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.03 : 12,278.13 = 3,744.37 : x
  2. Step 2: Convert to fraction form
    8,188.03/12,278.13 = 3,744.37/x
  3. Step 3: Cross multiply
    8,188.03x = 12,278.13 × 3,744.37
  4. Step 4: Simplify right side
    8,188.03x = 45,973,861.63
  5. Step 5: Solve for x
    x = 45,973,861.63/8,188.03
  6. Step 6: Final answer
    x = 5,614.76

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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.