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Finding the Fourth Proportional to 8,593.66, 12,894.30 and 5,472.85

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Solution

The fourth proportional to 8,593.66, 12,894.30 and 5,472.85 is: 8,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.66 : 12,894.30 = 5,472.85 : x
  2. Step 2: Convert to fraction form
    8,593.66/12,894.30 = 5,472.85/x
  3. Step 3: Cross multiply
    8,593.66x = 12,894.30 × 5,472.85
  4. Step 4: Simplify right side
    8,593.66x = 70,568,623.79
  5. Step 5: Solve for x
    x = 70,568,623.79/8,593.66
  6. Step 6: Final answer
    x = 8,211.71

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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.