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Finding the Fourth Proportional to 6,662.43, 9,993.63 and 2,715.33

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Solution

The fourth proportional to 6,662.43, 9,993.63 and 2,715.33 is: 4,072.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.43 : 9,993.63 = 2,715.33 : x
  2. Step 2: Convert to fraction form
    6,662.43/9,993.63 = 2,715.33/x
  3. Step 3: Cross multiply
    6,662.43x = 9,993.63 × 2,715.33
  4. Step 4: Simplify right side
    6,662.43x = 27,136,003.35
  5. Step 5: Solve for x
    x = 27,136,003.35/6,662.43
  6. Step 6: Final answer
    x = 4,072.99

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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.