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Finding the Fourth Proportional to 6,399.66, 9,597.06 and 2,238.42

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Solution

The fourth proportional to 6,399.66, 9,597.06 and 2,238.42 is: 3,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.66 : 9,597.06 = 2,238.42 : x
  2. Step 2: Convert to fraction form
    6,399.66/9,597.06 = 2,238.42/x
  3. Step 3: Cross multiply
    6,399.66x = 9,597.06 × 2,238.42
  4. Step 4: Simplify right side
    6,399.66x = 21,482,251.05
  5. Step 5: Solve for x
    x = 21,482,251.05/6,399.66
  6. Step 6: Final answer
    x = 3,356.78

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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.