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Select all dependents

Windows shortcut 
CtrlShift}
Mac shortcut 
}

This shortcut will select all cells with formulas that refer directly or indirectly to cells in the current selection.

Related videos

The videos below show how this shortcut can be used.
In this video, we'll look at how to quickly find formulas and trace how they are related to one another, using the concept of precedents and dependents.