Решите ур-е: 3 1/2: х=5 4/7: 18/37

X  x 5 4\7 = 3 1\2 x 18\37
x = 3 1\2 x 18\37 ; 5 4\7
3 1\2  x 18\37 =7\2 x 18\37 =63\37 =1 26\37
1 26\37 ; 5 4\7 = 63\37 x7\39 =147\481
x = 147\481