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Finding the Fourth Proportional to 8,518.39, 12,772.11 and 5,593.28

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Solution

The fourth proportional to 8,518.39, 12,772.11 and 5,593.28 is: 8,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.39 : 12,772.11 = 5,593.28 : x
  2. Step 2: Convert to fraction form
    8,518.39/12,772.11 = 5,593.28/x
  3. Step 3: Cross multiply
    8,518.39x = 12,772.11 × 5,593.28
  4. Step 4: Simplify right side
    8,518.39x = 71,437,923.56
  5. Step 5: Solve for x
    x = 71,437,923.56/8,518.39
  6. Step 6: Final answer
    x = 8,386.32

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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.