Fill in the blanks.:-
(i) If `y \propto \sqrt{x}`, then `x^3 \propto` ___.
(ii) If $ x \propto \sqrt[3]{y^2} $, then `y \propto` ___ .
(iii) If the radius and volume of a sphere is `r` and `V`, then, `V \propto` _______ .
(iv) If `x \propto y` and `x \propto z`, then `y+z \propto`_______ .
(v) If `A/B =` constant, then `A` varies ___ to `B`.
(vi) If `x \propto 1/y` and `y \propto 1/z`, then `x \propto` ___.
(vii) If `x \propto yz`, then `x` varies _______ as `y` and `z`.