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Finding the Fourth Proportional to 8,596.32, 12,906.24 and 5,299.20

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Solution

The fourth proportional to 8,596.32, 12,906.24 and 5,299.20 is: 7,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.32 : 12,906.24 = 5,299.20 : x
  2. Step 2: Convert to fraction form
    8,596.32/12,906.24 = 5,299.20/x
  3. Step 3: Cross multiply
    8,596.32x = 12,906.24 × 5,299.20
  4. Step 4: Simplify right side
    8,596.32x = 68,392,747.01
  5. Step 5: Solve for x
    x = 68,392,747.01/8,596.32
  6. Step 6: Final answer
    x = 7,956.05

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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.