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Finding the Fourth Proportional to 8,593.29, 12,890.27 and 3,659.56

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Solution

The fourth proportional to 8,593.29, 12,890.27 and 3,659.56 is: 5,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.29 : 12,890.27 = 3,659.56 : x
  2. Step 2: Convert to fraction form
    8,593.29/12,890.27 = 3,659.56/x
  3. Step 3: Cross multiply
    8,593.29x = 12,890.27 × 3,659.56
  4. Step 4: Simplify right side
    8,593.29x = 47,172,693.40
  5. Step 5: Solve for x
    x = 47,172,693.40/8,593.29
  6. Step 6: Final answer
    x = 5,489.48

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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.