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Finding the Fourth Proportional to 8,542.84, 12,814.22 and 2,699.44

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Solution

The fourth proportional to 8,542.84, 12,814.22 and 2,699.44 is: 4,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.84 : 12,814.22 = 2,699.44 : x
  2. Step 2: Convert to fraction form
    8,542.84/12,814.22 = 2,699.44/x
  3. Step 3: Cross multiply
    8,542.84x = 12,814.22 × 2,699.44
  4. Step 4: Simplify right side
    8,542.84x = 34,591,218.04
  5. Step 5: Solve for x
    x = 34,591,218.04/8,542.84
  6. Step 6: Final answer
    x = 4,049.15

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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.