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Finding the Fourth Proportional to 8,826.44, 12,183.22 and 5,682.63

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Solution

The fourth proportional to 8,826.44, 12,183.22 and 5,682.63 is: 7,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.44 : 12,183.22 = 5,682.63 : x
  2. Step 2: Convert to fraction form
    8,826.44/12,183.22 = 5,682.63/x
  3. Step 3: Cross multiply
    8,826.44x = 12,183.22 × 5,682.63
  4. Step 4: Simplify right side
    8,826.44x = 69,232,731.47
  5. Step 5: Solve for x
    x = 69,232,731.47/8,826.44
  6. Step 6: Final answer
    x = 7,843.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.