Fill in the blanks to complete the statement below. In the proportion StartFraction a Over b EndFraction equals StartFraction c Over d EndFraction , the ________ of the proportion are b and c, and the ________ of the proportion are a and d. Question content area bottom Part 1 In the proportion StartFraction a Over b EndFraction equals StartFraction c Over d EndFraction , the extremes ratios means cross products of the proportion are b and c, and the means cross products extremes ratios of the proportion are a and d