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Finding the Fourth Proportional to 8,589.50, 11,843.07 and 6,675.87

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Solution

The fourth proportional to 8,589.50, 11,843.07 and 6,675.87 is: 9,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.50 : 11,843.07 = 6,675.87 : x
  2. Step 2: Convert to fraction form
    8,589.50/11,843.07 = 6,675.87/x
  3. Step 3: Cross multiply
    8,589.50x = 11,843.07 × 6,675.87
  4. Step 4: Simplify right side
    8,589.50x = 79,062,795.72
  5. Step 5: Solve for x
    x = 79,062,795.72/8,589.50
  6. Step 6: Final answer
    x = 9,204.59

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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.