Answer
28 machines would have a defect.
When flipping one side of the proportion, the result indicating thaat 1,120,000 has a defect is unreasonable because it exceeds the number of machines produced.
Work Step by Step
Correct
$\frac{1\ defect}{200\ machines} = \frac{x\ defects}{5600}$
$200x = 1\times5600$
$\frac{200x}{200} = \frac{5600}{200}$
$x = 28$
Incorrect
$\frac{1}{200} = \frac{5600}{x}$
$1x = 200\times5600$
$x = 1,120,000
