Finding the Fourth Proportional to 112,632.13, 168,953.81 and 33,738.84
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Solution
The fourth proportional to 112,632.13, 168,953.81 and 33,738.84 is: 50,609.94
Step by Step Solution
- Step 1: Write the proportion equation
112,632.13 : 168,953.81 = 33,738.84 : x - Step 2: Convert to fraction form
112,632.13/168,953.81 = 33,738.84/x - Step 3: Cross multiply
112,632.13x = 168,953.81 × 33,738.84 - Step 4: Simplify right side
112,632.13x = 5,700,305,562.98 - Step 5: Solve for x
x = 5,700,305,562.98/112,632.13 - Step 6: Final answer
x = 50,609.94
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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.