Finding the Fourth Proportional to 7,674,169.62, 10,590,076.55 and 4,236,336.84
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Solution
The fourth proportional to 7,674,169.62, 10,590,076.55 and 4,236,336.84 is: 5,845,991.64
Step by Step Solution
- Step 1: Write the proportion equation
7,674,169.62 : 10,590,076.55 = 4,236,336.84 : x - Step 2: Convert to fraction form
7,674,169.62/10,590,076.55 = 4,236,336.84/x - Step 3: Cross multiply
7,674,169.62x = 10,590,076.55 × 4,236,336.84 - Step 4: Simplify right side
7,674,169.62x = 44,863,131,427,185.10 - Step 5: Solve for x
x = 44,863,131,427,185.10/7,674,169.62 - Step 6: Final answer
x = 5,845,991.64
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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.