Finding the Fourth Proportional to 71,362.44, 106,963.47 and 33,891.84
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Solution
The fourth proportional to 71,362.44, 106,963.47 and 33,891.84 is: 50,799.68
Step by Step Solution
- Step 1: Write the proportion equation
71,362.44 : 106,963.47 = 33,891.84 : x - Step 2: Convert to fraction form
71,362.44/106,963.47 = 33,891.84/x - Step 3: Cross multiply
71,362.44x = 106,963.47 × 33,891.84 - Step 4: Simplify right side
71,362.44x = 3,625,188,811.08 - Step 5: Solve for x
x = 3,625,188,811.08/71,362.44 - Step 6: Final answer
x = 50,799.68
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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.