Find four geometric means between 25 and 800.

Actually, you have to find four missed terms of geometrical sequence. Denote

and r - ratio, then

.

Since , you have that , then

.

Now substitude r=2 in each of unknown 4 terms:

.

four geometric means between 25 and 800 are 50, 100, 200, 400.

12.4, 12.387, 12.26, 12.252, 6.241, 6.2, 6.015, 6.009, 1.411, 1.2, 1.056, 1.007, 0.31,   0.13, 0.5, 0.04

step-by-step explanation:

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