Finding the Fourth Proportional to 22,443.75, 33,670.49 and 8,592.75
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Solution
The fourth proportional to 22,443.75, 33,670.49 and 8,592.75 is: 12,890.99
Step by Step Solution
- Step 1: Write the proportion equation
22,443.75 : 33,670.49 = 8,592.75 : x - Step 2: Convert to fraction form
22,443.75/33,670.49 = 8,592.75/x - Step 3: Cross multiply
22,443.75x = 33,670.49 × 8,592.75 - Step 4: Simplify right side
22,443.75x = 289,322,059.98 - Step 5: Solve for x
x = 289,322,059.98/22,443.75 - Step 6: Final answer
x = 12,890.99
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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.