Finding the Fourth Proportional to 6,763,729.80, 9,334,304.82 and 3,708,072.84
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Solution
The fourth proportional to 6,763,729.80, 9,334,304.82 and 3,708,072.84 is: 5,117,336.62
Step by Step Solution
- Step 1: Write the proportion equation
6,763,729.80 : 9,334,304.82 = 3,708,072.84 : x - Step 2: Convert to fraction form
6,763,729.80/9,334,304.82 = 3,708,072.84/x - Step 3: Cross multiply
6,763,729.80x = 9,334,304.82 × 3,708,072.84 - Step 4: Simplify right side
6,763,729.80x = 34,612,282,183,323.09 - Step 5: Solve for x
x = 34,612,282,183,323.09/6,763,729.80 - Step 6: Final answer
x = 5,117,336.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.