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Finding the Fourth Proportional to 8,373, 12,560.36 and 2,217

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Solution

The fourth proportional to 8,373, 12,560.36 and 2,217 is: 3,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373 : 12,560.36 = 2,217 : x
  2. Step 2: Convert to fraction form
    8,373/12,560.36 = 2,217/x
  3. Step 3: Cross multiply
    8,373x = 12,560.36 × 2,217
  4. Step 4: Simplify right side
    8,373x = 27,846,318.12
  5. Step 5: Solve for x
    x = 27,846,318.12/8,373
  6. Step 6: Final answer
    x = 3,325.73

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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.