Finding the Fourth Proportional to 75,531.87, 104,249.07 and 57,594.84
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Solution
The fourth proportional to 75,531.87, 104,249.07 and 57,594.84 is: 79,492.39
Step by Step Solution
- Step 1: Write the proportion equation
75,531.87 : 104,249.07 = 57,594.84 : x - Step 2: Convert to fraction form
75,531.87/104,249.07 = 57,594.84/x - Step 3: Cross multiply
75,531.87x = 104,249.07 × 57,594.84 - Step 4: Simplify right side
75,531.87x = 6,004,208,506.80 - Step 5: Solve for x
x = 6,004,208,506.80/75,531.87 - Step 6: Final answer
x = 79,492.39
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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.