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Finding the Fourth Proportional to 8,449.44, 12,672.88 and 3,254.56

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Solution

The fourth proportional to 8,449.44, 12,672.88 and 3,254.56 is: 4,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.44 : 12,672.88 = 3,254.56 : x
  2. Step 2: Convert to fraction form
    8,449.44/12,672.88 = 3,254.56/x
  3. Step 3: Cross multiply
    8,449.44x = 12,672.88 × 3,254.56
  4. Step 4: Simplify right side
    8,449.44x = 41,244,648.33
  5. Step 5: Solve for x
    x = 41,244,648.33/8,449.44
  6. Step 6: Final answer
    x = 4,881.35

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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.