Finding the Fourth Proportional to 55,161.76, 82,747.52 and 15,718
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Solution
The fourth proportional to 55,161.76, 82,747.52 and 15,718 is: 23,578.39
Step by Step Solution
- Step 1: Write the proportion equation
55,161.76 : 82,747.52 = 15,718 : x - Step 2: Convert to fraction form
55,161.76/82,747.52 = 15,718/x - Step 3: Cross multiply
55,161.76x = 82,747.52 × 15,718 - Step 4: Simplify right side
55,161.76x = 1,300,625,519.36 - Step 5: Solve for x
x = 1,300,625,519.36/55,161.76 - Step 6: Final answer
x = 23,578.39
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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.