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Finding the Fourth Proportional to 6,819.17, 10,217.79 and 5,725.67

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Solution

The fourth proportional to 6,819.17, 10,217.79 and 5,725.67 is: 8,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.17 : 10,217.79 = 5,725.67 : x
  2. Step 2: Convert to fraction form
    6,819.17/10,217.79 = 5,725.67/x
  3. Step 3: Cross multiply
    6,819.17x = 10,217.79 × 5,725.67
  4. Step 4: Simplify right side
    6,819.17x = 58,503,642.58
  5. Step 5: Solve for x
    x = 58,503,642.58/6,819.17
  6. Step 6: Final answer
    x = 8,579.30

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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.