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Finding the Fourth Proportional to 6,622.42, 9,933.61 and 4,158.97

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Solution

The fourth proportional to 6,622.42, 9,933.61 and 4,158.97 is: 6,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.42 : 9,933.61 = 4,158.97 : x
  2. Step 2: Convert to fraction form
    6,622.42/9,933.61 = 4,158.97/x
  3. Step 3: Cross multiply
    6,622.42x = 9,933.61 × 4,158.97
  4. Step 4: Simplify right side
    6,622.42x = 41,313,585.98
  5. Step 5: Solve for x
    x = 41,313,585.98/6,622.42
  6. Step 6: Final answer
    x = 6,238.44

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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.