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Finding the Fourth Proportional to 8,624.52, 11,899.20 and 5,086.44

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Solution

The fourth proportional to 8,624.52, 11,899.20 and 5,086.44 is: 7,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.52 : 11,899.20 = 5,086.44 : x
  2. Step 2: Convert to fraction form
    8,624.52/11,899.20 = 5,086.44/x
  3. Step 3: Cross multiply
    8,624.52x = 11,899.20 × 5,086.44
  4. Step 4: Simplify right side
    8,624.52x = 60,524,566.85
  5. Step 5: Solve for x
    x = 60,524,566.85/8,624.52
  6. Step 6: Final answer
    x = 7,017.73

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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.