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Finding the Fourth Proportional to 8,589.01, 12,886.08 and 3,593.79

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Solution

The fourth proportional to 8,589.01, 12,886.08 and 3,593.79 is: 5,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.01 : 12,886.08 = 3,593.79 : x
  2. Step 2: Convert to fraction form
    8,589.01/12,886.08 = 3,593.79/x
  3. Step 3: Cross multiply
    8,589.01x = 12,886.08 × 3,593.79
  4. Step 4: Simplify right side
    8,589.01x = 46,309,865.44
  5. Step 5: Solve for x
    x = 46,309,865.44/8,589.01
  6. Step 6: Final answer
    x = 5,391.76

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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.