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Finding the Fourth Proportional to 8,593.16, 12,888.88 and 3,399.44

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Solution

The fourth proportional to 8,593.16, 12,888.88 and 3,399.44 is: 5,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.16 : 12,888.88 = 3,399.44 : x
  2. Step 2: Convert to fraction form
    8,593.16/12,888.88 = 3,399.44/x
  3. Step 3: Cross multiply
    8,593.16x = 12,888.88 × 3,399.44
  4. Step 4: Simplify right side
    8,593.16x = 43,814,974.23
  5. Step 5: Solve for x
    x = 43,814,974.23/8,593.16
  6. Step 6: Final answer
    x = 5,098.82

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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.