\"\"

\

The proportion is \"\".

\

\"\"                   (Multiply each side by 45) \ \

\

\"\"                                (Cancel common terms) \ \

\

\"\"                                   (Multiply: \"\")

\

\"\"                                        (Divide: \"\")\"\"

\

Check:

\

\"\"                                   (Write the proportion)

\

\"\"                                   (Substitute \"\")

\

\"\"                                     (Simplify)

\

The solution is \"\".\"\"

\

The solution is \"\".