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Finding the Fourth Proportional to 12,000.44, 17,991.48 and 8,292.08

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Solution

The fourth proportional to 12,000.44, 17,991.48 and 8,292.08 is: 12,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.44 : 17,991.48 = 8,292.08 : x
  2. Step 2: Convert to fraction form
    12,000.44/17,991.48 = 8,292.08/x
  3. Step 3: Cross multiply
    12,000.44x = 17,991.48 × 8,292.08
  4. Step 4: Simplify right side
    12,000.44x = 149,186,791.48
  5. Step 5: Solve for x
    x = 149,186,791.48/12,000.44
  6. Step 6: Final answer
    x = 12,431.78

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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.