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Finding the Fourth Proportional to 8,004.64, 12,007.17 and 2,161.23

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Solution

The fourth proportional to 8,004.64, 12,007.17 and 2,161.23 is: 3,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.64 : 12,007.17 = 2,161.23 : x
  2. Step 2: Convert to fraction form
    8,004.64/12,007.17 = 2,161.23/x
  3. Step 3: Cross multiply
    8,004.64x = 12,007.17 × 2,161.23
  4. Step 4: Simplify right side
    8,004.64x = 25,950,256.02
  5. Step 5: Solve for x
    x = 25,950,256.02/8,004.64
  6. Step 6: Final answer
    x = 3,241.90

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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.