How much crystalline sugar $($it has $5\%$ moisture content by weight$)$ must be added to $75$ litres of orange juice diluted to $7\mathrm{.}5\backslash$deg Brix $($specific gravity $=1\mathrm{.}028)$ in order to obtain a $10\mathrm{.}5\backslash$deg Brix final solution $($Density $=1\mathrm{.}04$ g$/$mL$)?$