Finding the Fourth Proportional to 75,491.93, 113,238.38 and 22,183.68
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Solution
The fourth proportional to 75,491.93, 113,238.38 and 22,183.68 is: 33,275.66
Step by Step Solution
- Step 1: Write the proportion equation
75,491.93 : 113,238.38 = 22,183.68 : x - Step 2: Convert to fraction form
75,491.93/113,238.38 = 22,183.68/x - Step 3: Cross multiply
75,491.93x = 113,238.38 × 22,183.68 - Step 4: Simplify right side
75,491.93x = 2,512,043,874.72 - Step 5: Solve for x
x = 2,512,043,874.72/75,491.93 - Step 6: Final answer
x = 33,275.66
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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.