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Finding the Fourth Proportional to 18,544.71, 27,826.22 and 8,682.29

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Solution

The fourth proportional to 18,544.71, 27,826.22 and 8,682.29 is: 13,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.71 : 27,826.22 = 8,682.29 : x
  2. Step 2: Convert to fraction form
    18,544.71/27,826.22 = 8,682.29/x
  3. Step 3: Cross multiply
    18,544.71x = 27,826.22 × 8,682.29
  4. Step 4: Simplify right side
    18,544.71x = 241,595,311.64
  5. Step 5: Solve for x
    x = 241,595,311.64/18,544.71
  6. Step 6: Final answer
    x = 13,027.72

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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.