Finding the Fourth Proportional to 3,669,236.70, 5,503,855.05 and 3,522,270.30
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Solution
The fourth proportional to 3,669,236.70, 5,503,855.05 and 3,522,270.30 is: 5,283,405.45
Step by Step Solution
- Step 1: Write the proportion equation
3,669,236.70 : 5,503,855.05 = 3,522,270.30 : x - Step 2: Convert to fraction form
3,669,236.70/5,503,855.05 = 3,522,270.30/x - Step 3: Cross multiply
3,669,236.70x = 5,503,855.05 × 3,522,270.30 - Step 4: Simplify right side
3,669,236.70x = 19,386,065,178,120.01 - Step 5: Solve for x
x = 19,386,065,178,120.01/3,669,236.70 - Step 6: Final answer
x = 5,283,405.45
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Double scale
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Similar ratio
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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.