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Finding the Fourth Proportional to 8,392.62, 12,586.35 and 2,769.25

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Solution

The fourth proportional to 8,392.62, 12,586.35 and 2,769.25 is: 4,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.62 : 12,586.35 = 2,769.25 : x
  2. Step 2: Convert to fraction form
    8,392.62/12,586.35 = 2,769.25/x
  3. Step 3: Cross multiply
    8,392.62x = 12,586.35 × 2,769.25
  4. Step 4: Simplify right side
    8,392.62x = 34,854,672.96
  5. Step 5: Solve for x
    x = 34,854,672.96/8,392.62
  6. Step 6: Final answer
    x = 4,153.02

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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.