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Finding the Fourth Proportional to 22,991.43, 34,487.11 and 6,351.42

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Solution

The fourth proportional to 22,991.43, 34,487.11 and 6,351.42 is: 9,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.43 : 34,487.11 = 6,351.42 : x
  2. Step 2: Convert to fraction form
    22,991.43/34,487.11 = 6,351.42/x
  3. Step 3: Cross multiply
    22,991.43x = 34,487.11 × 6,351.42
  4. Step 4: Simplify right side
    22,991.43x = 219,042,257.46
  5. Step 5: Solve for x
    x = 219,042,257.46/22,991.43
  6. Step 6: Final answer
    x = 9,527.12

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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.