Finding the Fourth Proportional to 115,227.75, 172,841.63 and 27,675.75
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Solution
The fourth proportional to 115,227.75, 172,841.63 and 27,675.75 is: 41,513.63
Step by Step Solution
- Step 1: Write the proportion equation
115,227.75 : 172,841.63 = 27,675.75 : x - Step 2: Convert to fraction form
115,227.75/172,841.63 = 27,675.75/x - Step 3: Cross multiply
115,227.75x = 172,841.63 × 27,675.75 - Step 4: Simplify right side
115,227.75x = 4,783,521,603.09 - Step 5: Solve for x
x = 4,783,521,603.09/115,227.75 - Step 6: Final answer
x = 41,513.63
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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.