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Finding the Fourth Proportional to 8,504.80, 12,757.16 and 3,310.68

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Solution

The fourth proportional to 8,504.80, 12,757.16 and 3,310.68 is: 4,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.80 : 12,757.16 = 3,310.68 : x
  2. Step 2: Convert to fraction form
    8,504.80/12,757.16 = 3,310.68/x
  3. Step 3: Cross multiply
    8,504.80x = 12,757.16 × 3,310.68
  4. Step 4: Simplify right side
    8,504.80x = 42,234,874.47
  5. Step 5: Solve for x
    x = 42,234,874.47/8,504.80
  6. Step 6: Final answer
    x = 4,966.00

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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.