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Finding the Fourth Proportional to 12,004.88, 18,004.44 and 3,796.88

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Solution

The fourth proportional to 12,004.88, 18,004.44 and 3,796.88 is: 5,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.88 : 18,004.44 = 3,796.88 : x
  2. Step 2: Convert to fraction form
    12,004.88/18,004.44 = 3,796.88/x
  3. Step 3: Cross multiply
    12,004.88x = 18,004.44 × 3,796.88
  4. Step 4: Simplify right side
    12,004.88x = 68,360,698.15
  5. Step 5: Solve for x
    x = 68,360,698.15/12,004.88
  6. Step 6: Final answer
    x = 5,694.41

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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.