Finding the Fourth Proportional to 83,791.44, 125,778.24 and 33,905.88
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Solution
The fourth proportional to 83,791.44, 125,778.24 and 33,905.88 is: 50,895.68
Step by Step Solution
- Step 1: Write the proportion equation
83,791.44 : 125,778.24 = 33,905.88 : x - Step 2: Convert to fraction form
83,791.44/125,778.24 = 33,905.88/x - Step 3: Cross multiply
83,791.44x = 125,778.24 × 33,905.88 - Step 4: Simplify right side
83,791.44x = 4,264,621,912.05 - Step 5: Solve for x
x = 4,264,621,912.05/83,791.44 - Step 6: Final answer
x = 50,895.68
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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.