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(1^-4 + 2^-4 + ... ) / (1^-4 + 3^-4 + ...) = x/y
x/y = (1^-4 + 3^-4 + 5^-4 + ...)/(1^-4 + 3^-4 + ... ) + (2^-4 + 4^-4 + ...) / (1^-4 + 3^-4 + ...)
x/y = 1 + 2^-4 (1 + 2^-4 + ...)
x/y = 1 + 1/16 x/y
15/16 x/y = 1
x/y = 16/15