You have retraced the line between secsions 5 and 6 and determined
the 1/4 section corner to be lost. This corner will be restored
using single proportion. Using the record and the retraced data,
and the proportion work screen, apply the proper checks on your
work as indicated in the lesson.
You may use the Proportion
Calculator or a paper and pencil to compute the numbers.
Check your answers.