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Finding the Fourth Proportional to 6,245.70, 8,619.33 and 3,593.12

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Solution

The fourth proportional to 6,245.70, 8,619.33 and 3,593.12 is: 4,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.70 : 8,619.33 = 3,593.12 : x
  2. Step 2: Convert to fraction form
    6,245.70/8,619.33 = 3,593.12/x
  3. Step 3: Cross multiply
    6,245.70x = 8,619.33 × 3,593.12
  4. Step 4: Simplify right side
    6,245.70x = 30,970,243.91
  5. Step 5: Solve for x
    x = 30,970,243.91/6,245.70
  6. Step 6: Final answer
    x = 4,958.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.