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Finding the Fourth Proportional to 8,405.44, 12,606.72 and 2,248

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Solution

The fourth proportional to 8,405.44, 12,606.72 and 2,248 is: 3,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.44 : 12,606.72 = 2,248 : x
  2. Step 2: Convert to fraction form
    8,405.44/12,606.72 = 2,248/x
  3. Step 3: Cross multiply
    8,405.44x = 12,606.72 × 2,248
  4. Step 4: Simplify right side
    8,405.44x = 28,339,906.56
  5. Step 5: Solve for x
    x = 28,339,906.56/8,405.44
  6. Step 6: Final answer
    x = 3,371.61

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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.