\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
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$$\dfrac{\textcolor{colorprop}{3}}{\textcolor{colordef}{6}}=\dfrac{\textcolor{colorprop}{2}}{\textcolor{colordef}{x}}$$
\(\textcolor{colordef}{x}=\)
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