Finding the Fourth Proportional to 5,475,033.76, 7,556,013.84 and 3,183,049.12
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Solution
The fourth proportional to 5,475,033.76, 7,556,013.84 and 3,183,049.12 is: 4,392,879.43
Step by Step Solution
- Step 1: Write the proportion equation
5,475,033.76 : 7,556,013.84 = 3,183,049.12 : x - Step 2: Convert to fraction form
5,475,033.76/7,556,013.84 = 3,183,049.12/x - Step 3: Cross multiply
5,475,033.76x = 7,556,013.84 × 3,183,049.12 - Step 4: Simplify right side
5,475,033.76x = 24,051,163,204,119.82 - Step 5: Solve for x
x = 24,051,163,204,119.82/5,475,033.76 - Step 6: Final answer
x = 4,392,879.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.