Question 877033
I can say that
( width 1 ) / ( width2 ) = ( length 1 ) / ( length 2 )
{{{ 7.6 / 30.4 = 12.7 / x }}}
Multiply both sides by {{{ 30.4x }}}
{{{ 7.6x = 12.7*30.4 }}}
{{{ 7.6x = 386.08 }}}
{{{ x = 50.8 }}}
The length of the enlarged photo is 50.8 cm