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Finding the Fourth Proportional to 6,664.63, 9,993.22 and 4,194.15

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Solution

The fourth proportional to 6,664.63, 9,993.22 and 4,194.15 is: 6,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.63 : 9,993.22 = 4,194.15 : x
  2. Step 2: Convert to fraction form
    6,664.63/9,993.22 = 4,194.15/x
  3. Step 3: Cross multiply
    6,664.63x = 9,993.22 × 4,194.15
  4. Step 4: Simplify right side
    6,664.63x = 41,913,042.69
  5. Step 5: Solve for x
    x = 41,913,042.69/6,664.63
  6. Step 6: Final answer
    x = 6,288.88

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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.