just pulling your chain special-K
here's a couple of D44 tags with tooth count/ratio for reference..
note - the Dana advertised ratios are numerically accurate if rounding correctly
'71 3/4t D44 front 45-11 = 4.09 [4.090] [D60 above replacing the HO52 rear of this rig
]
'72 1/2t D44 front 43-14 = 3.07 [3.071]