Finding the Fourth Proportional to 8,480,136.60, 11,701,523.82 and 5,732,800.44
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Solution
The fourth proportional to 8,480,136.60, 11,701,523.82 and 5,732,800.44 is: 7,910,544.85
Step by Step Solution
- Step 1: Write the proportion equation
8,480,136.60 : 11,701,523.82 = 5,732,800.44 : x - Step 2: Convert to fraction form
8,480,136.60/11,701,523.82 = 5,732,800.44/x - Step 3: Cross multiply
8,480,136.60x = 11,701,523.82 × 5,732,800.44 - Step 4: Simplify right side
8,480,136.60x = 67,082,500,903,966.48 - Step 5: Solve for x
x = 67,082,500,903,966.48/8,480,136.60 - Step 6: Final answer
x = 7,910,544.85
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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.