Finding the Fourth Proportional to 7,359,531.20, 11,039,296.80 and 4,489,749.80
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Solution
The fourth proportional to 7,359,531.20, 11,039,296.80 and 4,489,749.80 is: 6,734,624.70
Step by Step Solution
- Step 1: Write the proportion equation
7,359,531.20 : 11,039,296.80 = 4,489,749.80 : x - Step 2: Convert to fraction form
7,359,531.20/11,039,296.80 = 4,489,749.80/x - Step 3: Cross multiply
7,359,531.20x = 11,039,296.80 × 4,489,749.80 - Step 4: Simplify right side
7,359,531.20x = 49,563,680,599,940.64 - Step 5: Solve for x
x = 49,563,680,599,940.64/7,359,531.20 - Step 6: Final answer
x = 6,734,624.70
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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.