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Finding the Fourth Proportional to 8,351.44, 12,507.90 and 5,996.80

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Solution

The fourth proportional to 8,351.44, 12,507.90 and 5,996.80 is: 8,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.44 : 12,507.90 = 5,996.80 : x
  2. Step 2: Convert to fraction form
    8,351.44/12,507.90 = 5,996.80/x
  3. Step 3: Cross multiply
    8,351.44x = 12,507.90 × 5,996.80
  4. Step 4: Simplify right side
    8,351.44x = 75,007,374.72
  5. Step 5: Solve for x
    x = 75,007,374.72/8,351.44
  6. Step 6: Final answer
    x = 8,981.37

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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.