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Finding the Fourth Proportional to 8,247.17, 12,372.17 and 2,698.94

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Solution

The fourth proportional to 8,247.17, 12,372.17 and 2,698.94 is: 4,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.17 : 12,372.17 = 2,698.94 : x
  2. Step 2: Convert to fraction form
    8,247.17/12,372.17 = 2,698.94/x
  3. Step 3: Cross multiply
    8,247.17x = 12,372.17 × 2,698.94
  4. Step 4: Simplify right side
    8,247.17x = 33,391,669.14
  5. Step 5: Solve for x
    x = 33,391,669.14/8,247.17
  6. Step 6: Final answer
    x = 4,048.87

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1.5x scale

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.