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Finding the Fourth Proportional to 8,604.92, 12,908.82 and 3,057.10

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Solution

The fourth proportional to 8,604.92, 12,908.82 and 3,057.10 is: 4,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.92 : 12,908.82 = 3,057.10 : x
  2. Step 2: Convert to fraction form
    8,604.92/12,908.82 = 3,057.10/x
  3. Step 3: Cross multiply
    8,604.92x = 12,908.82 × 3,057.10
  4. Step 4: Simplify right side
    8,604.92x = 39,463,553.62
  5. Step 5: Solve for x
    x = 39,463,553.62/8,604.92
  6. Step 6: Final answer
    x = 4,586.16

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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.