52,000 : 61,000 = 100 : p
p = ( 61,000 * 100 ) : 52,000 = 117.30769 %
The percent of increase of the number of private investigators is 17.30769 %.
The number of police officers in 2006 is 648,982
648,982 x 1.1730769 = 761,305.79
Answer:
In 2016 must be at least 761,306 police officers