COPY FORMULA EVERY TWO ROWS

[Guest]

how can i copy formula every two rows

lets say

=if(E9<=$E$4,$E$4,E9)
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=IF(E12<=$E$4,$E$4,E12)
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AND SO ON

THANKS A LOT

 

[Guest]

F9 =IF(MOD(ROW(),3)=0,MAX($E$4,E9),"")

Copy down as fas as need it