Finding the Fourth Proportional to 75,498.44, 113,247.68 and 22,190.42
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Solution
The fourth proportional to 75,498.44, 113,247.68 and 22,190.42 is: 33,285.64
Step by Step Solution
- Step 1: Write the proportion equation
75,498.44 : 113,247.68 = 22,190.42 : x - Step 2: Convert to fraction form
75,498.44/113,247.68 = 22,190.42/x - Step 3: Cross multiply
75,498.44x = 113,247.68 × 22,190.42 - Step 4: Simplify right side
75,498.44x = 2,513,013,583.23 - Step 5: Solve for x
x = 2,513,013,583.23/75,498.44 - Step 6: Final answer
x = 33,285.64
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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.