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Finding the Fourth Proportional to 8,593.02, 12,773.64 and 8,340.78

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Solution

The fourth proportional to 8,593.02, 12,773.64 and 8,340.78 is: 12,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.02 : 12,773.64 = 8,340.78 : x
  2. Step 2: Convert to fraction form
    8,593.02/12,773.64 = 8,340.78/x
  3. Step 3: Cross multiply
    8,593.02x = 12,773.64 × 8,340.78
  4. Step 4: Simplify right side
    8,593.02x = 106,542,121.04
  5. Step 5: Solve for x
    x = 106,542,121.04/8,593.02
  6. Step 6: Final answer
    x = 12,398.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.