Finding the Fourth Proportional to 5,674,821.70, 8,512,232.55 and 5,343,045.70
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Solution
The fourth proportional to 5,674,821.70, 8,512,232.55 and 5,343,045.70 is: 8,014,568.55
Step by Step Solution
- Step 1: Write the proportion equation
5,674,821.70 : 8,512,232.55 = 5,343,045.70 : x - Step 2: Convert to fraction form
5,674,821.70/8,512,232.55 = 5,343,045.70/x - Step 3: Cross multiply
5,674,821.70x = 8,512,232.55 × 5,343,045.70 - Step 4: Simplify right side
5,674,821.70x = 45,481,247,523,677.54 - Step 5: Solve for x
x = 45,481,247,523,677.54/5,674,821.70 - Step 6: Final answer
x = 8,014,568.55
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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.