Finding the Fourth Proportional to 7,584,409.80, 11,376,614.70 and 2,193,236.10
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Solution
The fourth proportional to 7,584,409.80, 11,376,614.70 and 2,193,236.10 is: 3,289,854.15
Step by Step Solution
- Step 1: Write the proportion equation
7,584,409.80 : 11,376,614.70 = 2,193,236.10 : x - Step 2: Convert to fraction form
7,584,409.80/11,376,614.70 = 2,193,236.10/x - Step 3: Cross multiply
7,584,409.80x = 11,376,614.70 × 2,193,236.10 - Step 4: Simplify right side
7,584,409.80x = 24,951,602,055,830.67 - Step 5: Solve for x
x = 24,951,602,055,830.67/7,584,409.80 - Step 6: Final answer
x = 3,289,854.15
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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.