Finding the Fourth Proportional to 73,067.26, 100,832.80 and 39,533.26
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Solution
The fourth proportional to 73,067.26, 100,832.80 and 39,533.26 is: 54,555.89
Step by Step Solution
- Step 1: Write the proportion equation
73,067.26 : 100,832.80 = 39,533.26 : x - Step 2: Convert to fraction form
73,067.26/100,832.80 = 39,533.26/x - Step 3: Cross multiply
73,067.26x = 100,832.80 × 39,533.26 - Step 4: Simplify right side
73,067.26x = 3,986,249,298.93 - Step 5: Solve for x
x = 3,986,249,298.93/73,067.26 - Step 6: Final answer
x = 54,555.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.