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Finding the Fourth Proportional to 11,892.99, 17,840.43 and 3,995.54

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Solution

The fourth proportional to 11,892.99, 17,840.43 and 3,995.54 is: 5,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.99 : 17,840.43 = 3,995.54 : x
  2. Step 2: Convert to fraction form
    11,892.99/17,840.43 = 3,995.54/x
  3. Step 3: Cross multiply
    11,892.99x = 17,840.43 × 3,995.54
  4. Step 4: Simplify right side
    11,892.99x = 71,282,062.48
  5. Step 5: Solve for x
    x = 71,282,062.48/11,892.99
  6. Step 6: Final answer
    x = 5,993.62

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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.