Finding the Fourth Proportional to 32,341,405.40, 48,512,108.10 and 31,703,676.20
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Solution
The fourth proportional to 32,341,405.40, 48,512,108.10 and 31,703,676.20 is: 47,555,514.30
Step by Step Solution
- Step 1: Write the proportion equation
32,341,405.40 : 48,512,108.10 = 31,703,676.20 : x - Step 2: Convert to fraction form
32,341,405.40/48,512,108.10 = 31,703,676.20/x - Step 3: Cross multiply
32,341,405.40x = 48,512,108.10 × 31,703,676.20 - Step 4: Simplify right side
32,341,405.40x = 1,538,012,166,981,797.25 - Step 5: Solve for x
x = 1,538,012,166,981,797.25/32,341,405.40 - Step 6: Final answer
x = 47,555,514.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.