Finding the Fourth Proportional to 8,233,207.60, 11,543,286.80 and 8,233,207.60
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Solution
The fourth proportional to 8,233,207.60, 11,543,286.80 and 8,233,207.60 is: 11,543,286.80
Step by Step Solution
- Step 1: Write the proportion equation
8,233,207.60 : 11,543,286.80 = 8,233,207.60 : x - Step 2: Convert to fraction form
8,233,207.60/11,543,286.80 = 8,233,207.60/x - Step 3: Cross multiply
8,233,207.60x = 11,543,286.80 × 8,233,207.60 - Step 4: Simplify right side
8,233,207.60x = 95,038,276,610,739.69 - Step 5: Solve for x
x = 95,038,276,610,739.69/8,233,207.60 - Step 6: Final answer
x = 11,543,286.80
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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 (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.