Finding the Fourth Proportional to 75,771.11, 113,656.65 and 33,641.28
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Solution
The fourth proportional to 75,771.11, 113,656.65 and 33,641.28 is: 50,461.92
Step by Step Solution
- Step 1: Write the proportion equation
75,771.11 : 113,656.65 = 33,641.28 : x - Step 2: Convert to fraction form
75,771.11/113,656.65 = 33,641.28/x - Step 3: Cross multiply
75,771.11x = 113,656.65 × 33,641.28 - Step 4: Simplify right side
75,771.11x = 3,823,555,186.51 - Step 5: Solve for x
x = 3,823,555,186.51/75,771.11 - Step 6: Final answer
x = 50,461.92
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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.