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Finding the Fourth Proportional to 6,414.87, 9,609.54 and 4,216.94

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Solution

The fourth proportional to 6,414.87, 9,609.54 and 4,216.94 is: 6,317.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.87 : 9,609.54 = 4,216.94 : x
  2. Step 2: Convert to fraction form
    6,414.87/9,609.54 = 4,216.94/x
  3. Step 3: Cross multiply
    6,414.87x = 9,609.54 × 4,216.94
  4. Step 4: Simplify right side
    6,414.87x = 40,522,805.56
  5. Step 5: Solve for x
    x = 40,522,805.56/6,414.87
  6. Step 6: Final answer
    x = 6,317.01

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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.