If ${k^4} + \frac{1}{{{k^4}}} = 47$, then what is the value of ${k^3} + \frac{1}{{{k^3}}}$?

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If \({k^4} + \frac{1}{{{k^4}}} = 47\), then what is the value of \({k^3} + \frac{1}{{{k^3}}}\)?