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Finding the Fourth Proportional to 8,604.48, 12,906.09 and 2,759.52

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Solution

The fourth proportional to 8,604.48, 12,906.09 and 2,759.52 is: 4,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.48 : 12,906.09 = 2,759.52 : x
  2. Step 2: Convert to fraction form
    8,604.48/12,906.09 = 2,759.52/x
  3. Step 3: Cross multiply
    8,604.48x = 12,906.09 × 2,759.52
  4. Step 4: Simplify right side
    8,604.48x = 35,614,613.48
  5. Step 5: Solve for x
    x = 35,614,613.48/8,604.48
  6. Step 6: Final answer
    x = 4,139.08

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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.