Finding the Fourth Proportional to 75,760.95, 113,641.99 and 33,629.70
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Solution
The fourth proportional to 75,760.95, 113,641.99 and 33,629.70 is: 50,444.80
Step by Step Solution
- Step 1: Write the proportion equation
75,760.95 : 113,641.99 = 33,629.70 : x - Step 2: Convert to fraction form
75,760.95/113,641.99 = 33,629.70/x - Step 3: Cross multiply
75,760.95x = 113,641.99 × 33,629.70 - Step 4: Simplify right side
75,760.95x = 3,821,745,973.66 - Step 5: Solve for x
x = 3,821,745,973.66/75,760.95 - Step 6: Final answer
x = 50,444.80
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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.