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Finding the Fourth Proportional to 6,993.54, 9,644.25 and 4,474.73

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Solution

The fourth proportional to 6,993.54, 9,644.25 and 4,474.73 is: 6,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.54 : 9,644.25 = 4,474.73 : x
  2. Step 2: Convert to fraction form
    6,993.54/9,644.25 = 4,474.73/x
  3. Step 3: Cross multiply
    6,993.54x = 9,644.25 × 4,474.73
  4. Step 4: Simplify right side
    6,993.54x = 43,155,455.69
  5. Step 5: Solve for x
    x = 43,155,455.69/6,993.54
  6. Step 6: Final answer
    x = 6,170.76

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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.