How to find the constant k of rate proportionality

The video tutorial explains the concept of rate proportionality, where the rate of change is proportional to the current amount. It addresses the problem of finding the constant K when the amount triples every 11 hours. The instructor discusses the challenge of unknown initial and final values and demonstrates how to solve for K using examples. The process is simplified by using logarithms, and the tutorial concludes with a recap and final example to reinforce the learning.

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