Finding the Fourth Proportional to 75,623.94, 113,365.81 and 33,481.56
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Solution
The fourth proportional to 75,623.94, 113,365.81 and 33,481.56 is: 50,191.31
Step by Step Solution
- Step 1: Write the proportion equation
75,623.94 : 113,365.81 = 33,481.56 : x - Step 2: Convert to fraction form
75,623.94/113,365.81 = 33,481.56/x - Step 3: Cross multiply
75,623.94x = 113,365.81 × 33,481.56 - Step 4: Simplify right side
75,623.94x = 3,795,664,636.44 - Step 5: Solve for x
x = 3,795,664,636.44/75,623.94 - Step 6: Final answer
x = 50,191.31
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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.