Finding the Fourth Proportional to 75,647.11, 113,418.12 and 33,504.23
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Solution
The fourth proportional to 75,647.11, 113,418.12 and 33,504.23 is: 50,233.07
Step by Step Solution
- Step 1: Write the proportion equation
75,647.11 : 113,418.12 = 33,504.23 : x - Step 2: Convert to fraction form
75,647.11/113,418.12 = 33,504.23/x - Step 3: Cross multiply
75,647.11x = 113,418.12 × 33,504.23 - Step 4: Simplify right side
75,647.11x = 3,799,986,574.05 - Step 5: Solve for x
x = 3,799,986,574.05/75,647.11 - Step 6: Final answer
x = 50,233.07
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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.