Finding the Fourth Proportional to 75,082.40, 103,632.18 and 44,885.62
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Solution
The fourth proportional to 75,082.40, 103,632.18 and 44,885.62 is: 61,953.20
Step by Step Solution
- Step 1: Write the proportion equation
75,082.40 : 103,632.18 = 44,885.62 : x - Step 2: Convert to fraction form
75,082.40/103,632.18 = 44,885.62/x - Step 3: Cross multiply
75,082.40x = 103,632.18 × 44,885.62 - Step 4: Simplify right side
75,082.40x = 4,651,594,651.25 - Step 5: Solve for x
x = 4,651,594,651.25/75,082.40 - Step 6: Final answer
x = 61,953.20
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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.