so the difference between 9527 and 7425 is 9527 - 7425 = 2102.
now, half of 2102 is 2102/2 = 1051.
that means that the middle point of 9525 and 7425 is 1051 units forwards from 7425, and also 1051 units backwards from 9527.
7425 + 1051 = 8476
or
9527 - 1051 = 8476.
[tex]\bf \boxed{7425}\rule[0.35em]{10em}{0.25pt}8476\rule[0.35em]{10em}{0.25pt}\boxed{9527}[/tex]
