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Finding the Fourth Proportional to 8,444.55, 12,659.98 and 3,517.88

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Solution

The fourth proportional to 8,444.55, 12,659.98 and 3,517.88 is: 5,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.55 : 12,659.98 = 3,517.88 : x
  2. Step 2: Convert to fraction form
    8,444.55/12,659.98 = 3,517.88/x
  3. Step 3: Cross multiply
    8,444.55x = 12,659.98 × 3,517.88
  4. Step 4: Simplify right side
    8,444.55x = 44,536,227.14
  5. Step 5: Solve for x
    x = 44,536,227.14/8,444.55
  6. Step 6: Final answer
    x = 5,273.96

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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.