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Finding the Fourth Proportional to 18,785.56, 25,924.44 and 10,826.44

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Solution

The fourth proportional to 18,785.56, 25,924.44 and 10,826.44 is: 14,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.56 : 25,924.44 = 10,826.44 : x
  2. Step 2: Convert to fraction form
    18,785.56/25,924.44 = 10,826.44/x
  3. Step 3: Cross multiply
    18,785.56x = 25,924.44 × 10,826.44
  4. Step 4: Simplify right side
    18,785.56x = 280,669,394.19
  5. Step 5: Solve for x
    x = 280,669,394.19/18,785.56
  6. Step 6: Final answer
    x = 14,940.70

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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.