Finding the Fourth Proportional to 74,838.46, 112,272.48 and 27,453.99
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Solution
The fourth proportional to 74,838.46, 112,272.48 and 27,453.99 is: 41,186.41
Step by Step Solution
- Step 1: Write the proportion equation
74,838.46 : 112,272.48 = 27,453.99 : x - Step 2: Convert to fraction form
74,838.46/112,272.48 = 27,453.99/x - Step 3: Cross multiply
74,838.46x = 112,272.48 × 27,453.99 - Step 4: Simplify right side
74,838.46x = 3,082,327,543.20 - Step 5: Solve for x
x = 3,082,327,543.20/74,838.46 - Step 6: Final answer
x = 41,186.41
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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.