Finding the Fourth Proportional to 7,344,906.80, 11,017,360.20 and 3,985,674.80
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Solution
The fourth proportional to 7,344,906.80, 11,017,360.20 and 3,985,674.80 is: 5,978,512.20
Step by Step Solution
- Step 1: Write the proportion equation
7,344,906.80 : 11,017,360.20 = 3,985,674.80 : x - Step 2: Convert to fraction form
7,344,906.80/11,017,360.20 = 3,985,674.80/x - Step 3: Cross multiply
7,344,906.80x = 11,017,360.20 × 3,985,674.80 - Step 4: Simplify right side
7,344,906.80x = 43,911,614,911,662.95 - Step 5: Solve for x
x = 43,911,614,911,662.95/7,344,906.80 - Step 6: Final answer
x = 5,978,512.20
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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.