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Finding the Fourth Proportional to 5,363.68, 8,047.11 and 3,806.68

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Solution

The fourth proportional to 5,363.68, 8,047.11 and 3,806.68 is: 5,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.68 : 8,047.11 = 3,806.68 : x
  2. Step 2: Convert to fraction form
    5,363.68/8,047.11 = 3,806.68/x
  3. Step 3: Cross multiply
    5,363.68x = 8,047.11 × 3,806.68
  4. Step 4: Simplify right side
    5,363.68x = 30,632,772.69
  5. Step 5: Solve for x
    x = 30,632,772.69/5,363.68
  6. Step 6: Final answer
    x = 5,711.15

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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.