Finding the Fourth Proportional to 7,630,672.92, 10,530,326.19 and 4,193,135.38
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Solution
The fourth proportional to 7,630,672.92, 10,530,326.19 and 4,193,135.38 is: 5,786,525.48
Step by Step Solution
- Step 1: Write the proportion equation
7,630,672.92 : 10,530,326.19 = 4,193,135.38 : x - Step 2: Convert to fraction form
7,630,672.92/10,530,326.19 = 4,193,135.38/x - Step 3: Cross multiply
7,630,672.92x = 10,530,326.19 × 4,193,135.38 - Step 4: Simplify right side
7,630,672.92x = 44,155,083,310,229.60 - Step 5: Solve for x
x = 44,155,083,310,229.60/7,630,672.92 - Step 6: Final answer
x = 5,786,525.48
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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.