Finding the Fourth Proportional to 5,589,063.60, 8,383,595.40 and 4,880,475.60
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Solution
The fourth proportional to 5,589,063.60, 8,383,595.40 and 4,880,475.60 is: 7,320,713.40
Step by Step Solution
- Step 1: Write the proportion equation
5,589,063.60 : 8,383,595.40 = 4,880,475.60 : x - Step 2: Convert to fraction form
5,589,063.60/8,383,595.40 = 4,880,475.60/x - Step 3: Cross multiply
5,589,063.60x = 8,383,595.40 × 4,880,475.60 - Step 4: Simplify right side
5,589,063.60x = 40,915,932,789,972.24 - Step 5: Solve for x
x = 40,915,932,789,972.24/5,589,063.60 - Step 6: Final answer
x = 7,320,713.40
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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.