Final answer:
A progressive tax is a tax in which the tax rate increases as the taxable base amount rises, with income tax as an example.
Explanation:
Progressive tax is a type of tax where the tax rate increases as the taxable base amount rises. An example of a progressive tax is income tax, where those with higher incomes pay a higher share of taxes. This tax system aims to reduce the tax burden on individuals with lower ability-to-pay.
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