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Finding the Fourth Proportional to 8,093.62, 12,138.24 and 2,756.29

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Solution

The fourth proportional to 8,093.62, 12,138.24 and 2,756.29 is: 4,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.62 : 12,138.24 = 2,756.29 : x
  2. Step 2: Convert to fraction form
    8,093.62/12,138.24 = 2,756.29/x
  3. Step 3: Cross multiply
    8,093.62x = 12,138.24 × 2,756.29
  4. Step 4: Simplify right side
    8,093.62x = 33,456,509.53
  5. Step 5: Solve for x
    x = 33,456,509.53/8,093.62
  6. Step 6: Final answer
    x = 4,133.69

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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.