Finding the Fourth Proportional to 39,858.24, 54,990 and 26,436
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Solution
The fourth proportional to 39,858.24, 54,990 and 26,436 is: 36,472.15
Step by Step Solution
- Step 1: Write the proportion equation
39,858.24 : 54,990 = 26,436 : x - Step 2: Convert to fraction form
39,858.24/54,990 = 26,436/x - Step 3: Cross multiply
39,858.24x = 54,990 × 26,436 - Step 4: Simplify right side
39,858.24x = 1,453,715,640 - Step 5: Solve for x
x = 1,453,715,640/39,858.24 - Step 6: Final answer
x = 36,472.15
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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.