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Finding the Fourth Proportional to 23,993.97, 33,111.63 and 13,382.97

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Solution

The fourth proportional to 23,993.97, 33,111.63 and 13,382.97 is: 18,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,993.97 : 33,111.63 = 13,382.97 : x
  2. Step 2: Convert to fraction form
    23,993.97/33,111.63 = 13,382.97/x
  3. Step 3: Cross multiply
    23,993.97x = 33,111.63 × 13,382.97
  4. Step 4: Simplify right side
    23,993.97x = 443,131,950.94
  5. Step 5: Solve for x
    x = 443,131,950.94/23,993.97
  6. Step 6: Final answer
    x = 18,468.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.