Finding the Fourth Proportional to 115,647.75, 173,471.67 and 32,541.75
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Solution
The fourth proportional to 115,647.75, 173,471.67 and 32,541.75 is: 48,812.64
Step by Step Solution
- Step 1: Write the proportion equation
115,647.75 : 173,471.67 = 32,541.75 : x - Step 2: Convert to fraction form
115,647.75/173,471.67 = 32,541.75/x - Step 3: Cross multiply
115,647.75x = 173,471.67 × 32,541.75 - Step 4: Simplify right side
115,647.75x = 5,645,071,717.22 - Step 5: Solve for x
x = 5,645,071,717.22/115,647.75 - Step 6: Final answer
x = 48,812.64
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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.