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Finding the Fourth Proportional to 6,809.62, 10,207.16 and 3,881.62

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Solution

The fourth proportional to 6,809.62, 10,207.16 and 3,881.62 is: 5,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.62 : 10,207.16 = 3,881.62 : x
  2. Step 2: Convert to fraction form
    6,809.62/10,207.16 = 3,881.62/x
  3. Step 3: Cross multiply
    6,809.62x = 10,207.16 × 3,881.62
  4. Step 4: Simplify right side
    6,809.62x = 39,620,316.40
  5. Step 5: Solve for x
    x = 39,620,316.40/6,809.62
  6. Step 6: Final answer
    x = 5,818.29

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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.