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Finding the Fourth Proportional to 8,057.64, 12,086.60 and 2,214.22

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Solution

The fourth proportional to 8,057.64, 12,086.60 and 2,214.22 is: 3,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.64 : 12,086.60 = 2,214.22 : x
  2. Step 2: Convert to fraction form
    8,057.64/12,086.60 = 2,214.22/x
  3. Step 3: Cross multiply
    8,057.64x = 12,086.60 × 2,214.22
  4. Step 4: Simplify right side
    8,057.64x = 26,762,391.45
  5. Step 5: Solve for x
    x = 26,762,391.45/8,057.64
  6. Step 6: Final answer
    x = 3,321.37

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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.