What if Don Bradman had made runs in his final Test innings?

Australian legend Donald Bradman retired with a Test average of 99.94 after playing his final innings on August 14, 1948. Bradman was out for a duck in his final innings, but had he made four runs more, he would have ended with 7,000 runs in 52 matches averaging 100. Bradman had walked out to bat with an average of 101.39.