Finding the Fourth Proportional to 8,608,168.08, 11,879,128.42 and 4,741,049.08
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Solution
The fourth proportional to 8,608,168.08, 11,879,128.42 and 4,741,049.08 is: 6,542,568.68
Step by Step Solution
- Step 1: Write the proportion equation
8,608,168.08 : 11,879,128.42 = 4,741,049.08 : x - Step 2: Convert to fraction form
8,608,168.08/11,879,128.42 = 4,741,049.08/x - Step 3: Cross multiply
8,608,168.08x = 11,879,128.42 × 4,741,049.08 - Step 4: Simplify right side
8,608,168.08x = 56,319,530,866,842.85 - Step 5: Solve for x
x = 56,319,530,866,842.85/8,608,168.08 - Step 6: Final answer
x = 6,542,568.68
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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.