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Finding the Fourth Proportional to 23,999.25, 33,118.87 and 13,388.87

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Solution

The fourth proportional to 23,999.25, 33,118.87 and 13,388.87 is: 18,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.25 : 33,118.87 = 13,388.87 : x
  2. Step 2: Convert to fraction form
    23,999.25/33,118.87 = 13,388.87/x
  3. Step 3: Cross multiply
    23,999.25x = 33,118.87 × 13,388.87
  4. Step 4: Simplify right side
    23,999.25x = 443,424,244.98
  5. Step 5: Solve for x
    x = 443,424,244.98/23,999.25
  6. Step 6: Final answer
    x = 18,476.59

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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.