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Finding the Fourth Proportional to 8,476.70, 12,715.34 and 2,633.15

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Solution

The fourth proportional to 8,476.70, 12,715.34 and 2,633.15 is: 3,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.70 : 12,715.34 = 2,633.15 : x
  2. Step 2: Convert to fraction form
    8,476.70/12,715.34 = 2,633.15/x
  3. Step 3: Cross multiply
    8,476.70x = 12,715.34 × 2,633.15
  4. Step 4: Simplify right side
    8,476.70x = 33,481,320.78
  5. Step 5: Solve for x
    x = 33,481,320.78/8,476.70
  6. Step 6: Final answer
    x = 3,949.81

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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.