Finding the Fourth Proportional to 6,529,231.40, 9,793,847.10 and 6,466,245.80
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Solution
The fourth proportional to 6,529,231.40, 9,793,847.10 and 6,466,245.80 is: 9,699,368.70
Step by Step Solution
- Step 1: Write the proportion equation
6,529,231.40 : 9,793,847.10 = 6,466,245.80 : x - Step 2: Convert to fraction form
6,529,231.40/9,793,847.10 = 6,466,245.80/x - Step 3: Cross multiply
6,529,231.40x = 9,793,847.10 × 6,466,245.80 - Step 4: Simplify right side
6,529,231.40x = 63,329,422,676,217.17 - Step 5: Solve for x
x = 63,329,422,676,217.17/6,529,231.40 - Step 6: Final answer
x = 9,699,368.70
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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.