.
Having this instruction, there is NOTHING TO DO as to write this proportion
 = ,
where x is the unknown distance on the word globe in inches.
Now solve the proportion for  x =  and make the necessary calculations to get the answer in inches.
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There is a bunch of lessons on  proportions  in this site:
    - Proportions
    - Using proportions to solve word problems 
    - Using proportions to solve word problems in Physics 
    - Using proportions to solve Chemistry problems
    - Using proportions to estimate the number of fish in a lake
    - HOW TO algebreze and solve this problem using proportions 
    - OVERVIEW of lessons on proportions
Read them and become an expert in this area.