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Finding the Fourth Proportional to 5,961.50, 8,942.43 and 2,214.22

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Solution

The fourth proportional to 5,961.50, 8,942.43 and 2,214.22 is: 3,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,961.50 : 8,942.43 = 2,214.22 : x
  2. Step 2: Convert to fraction form
    5,961.50/8,942.43 = 2,214.22/x
  3. Step 3: Cross multiply
    5,961.50x = 8,942.43 × 2,214.22
  4. Step 4: Simplify right side
    5,961.50x = 19,800,507.35
  5. Step 5: Solve for x
    x = 19,800,507.35/5,961.50
  6. Step 6: Final answer
    x = 3,321.40

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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.