Finding the Fourth Proportional to 73,653.75, 110,480.64 and 18,249.75
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Solution
The fourth proportional to 73,653.75, 110,480.64 and 18,249.75 is: 27,374.63
Step by Step Solution
- Step 1: Write the proportion equation
73,653.75 : 110,480.64 = 18,249.75 : x - Step 2: Convert to fraction form
73,653.75/110,480.64 = 18,249.75/x - Step 3: Cross multiply
73,653.75x = 110,480.64 × 18,249.75 - Step 4: Simplify right side
73,653.75x = 2,016,244,059.84 - Step 5: Solve for x
x = 2,016,244,059.84/73,653.75 - Step 6: Final answer
x = 27,374.63
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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.