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Finding the Fourth Proportional to 8,593.42, 12,890.03 and 3,399.26

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Solution

The fourth proportional to 8,593.42, 12,890.03 and 3,399.26 is: 5,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.42 : 12,890.03 = 3,399.26 : x
  2. Step 2: Convert to fraction form
    8,593.42/12,890.03 = 3,399.26/x
  3. Step 3: Cross multiply
    8,593.42x = 12,890.03 × 3,399.26
  4. Step 4: Simplify right side
    8,593.42x = 43,816,563.38
  5. Step 5: Solve for x
    x = 43,816,563.38/8,593.42
  6. Step 6: Final answer
    x = 5,098.85

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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.