\[\text{ As} \ 72496 \ \text{is to} \ 1315\]
\[ \text{And} \ 62134 \ \text{ is to } \ 97\]
\[\text{And} \ 85316 \ \text{ is to } \ 167\]
\[\text{Therefore} \ 28439 \ \text{ is to } \ ?\]
Solution:
\[\text{ As} \ 72496 \ \text{is to} \ 1315 \implies 13=7+2+4, 15=9+6\]
\[ \text{And} \ 62134 \ \text{ is to } \ 97 \implies 9=6+2+1, 7=3+4\]
\[\text{And} \ 85316 \ \text{ is to } \ 167 \implies 16=8+5+3, 7=1+6\]
\[\text{Therefore} \ 28439 \ \text{ is to } \ \boxed{1412} \text{Because} 2+8+4=14, 3+9=12\]
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