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Finding the Fourth Proportional to 7,967.45, 11,951.17 and 3,794.81

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Solution

The fourth proportional to 7,967.45, 11,951.17 and 3,794.81 is: 5,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.45 : 11,951.17 = 3,794.81 : x
  2. Step 2: Convert to fraction form
    7,967.45/11,951.17 = 3,794.81/x
  3. Step 3: Cross multiply
    7,967.45x = 11,951.17 × 3,794.81
  4. Step 4: Simplify right side
    7,967.45x = 45,352,419.43
  5. Step 5: Solve for x
    x = 45,352,419.43/7,967.45
  6. Step 6: Final answer
    x = 5,692.21

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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.