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Finding the Fourth Proportional to 8,266.70, 12,375.44 and 5,483.75

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Solution

The fourth proportional to 8,266.70, 12,375.44 and 5,483.75 is: 8,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.70 : 12,375.44 = 5,483.75 : x
  2. Step 2: Convert to fraction form
    8,266.70/12,375.44 = 5,483.75/x
  3. Step 3: Cross multiply
    8,266.70x = 12,375.44 × 5,483.75
  4. Step 4: Simplify right side
    8,266.70x = 67,863,770.93
  5. Step 5: Solve for x
    x = 67,863,770.93/8,266.70
  6. Step 6: Final answer
    x = 8,209.29

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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.