Finding the Fourth Proportional to 75,717.62, 113,536.64 and 33,579.48
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Solution
The fourth proportional to 75,717.62, 113,536.64 and 33,579.48 is: 50,351.58
Step by Step Solution
- Step 1: Write the proportion equation
75,717.62 : 113,536.64 = 33,579.48 : x - Step 2: Convert to fraction form
75,717.62/113,536.64 = 33,579.48/x - Step 3: Cross multiply
75,717.62x = 113,536.64 × 33,579.48 - Step 4: Simplify right side
75,717.62x = 3,812,501,493.31 - Step 5: Solve for x
x = 3,812,501,493.31/75,717.62 - Step 6: Final answer
x = 50,351.58
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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.