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Finding the Fourth Proportional to 6,993.96, 9,651.66 and 3,850.14

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Solution

The fourth proportional to 6,993.96, 9,651.66 and 3,850.14 is: 5,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.96 : 9,651.66 = 3,850.14 : x
  2. Step 2: Convert to fraction form
    6,993.96/9,651.66 = 3,850.14/x
  3. Step 3: Cross multiply
    6,993.96x = 9,651.66 × 3,850.14
  4. Step 4: Simplify right side
    6,993.96x = 37,160,242.23
  5. Step 5: Solve for x
    x = 37,160,242.23/6,993.96
  6. Step 6: Final answer
    x = 5,313.19

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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.