Finding the Fourth Proportional to 53,855.24, 74,163.42 and 41,898.44
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Solution
The fourth proportional to 53,855.24, 74,163.42 and 41,898.44 is: 57,697.85
Step by Step Solution
- Step 1: Write the proportion equation
53,855.24 : 74,163.42 = 41,898.44 : x - Step 2: Convert to fraction form
53,855.24/74,163.42 = 41,898.44/x - Step 3: Cross multiply
53,855.24x = 74,163.42 × 41,898.44 - Step 4: Simplify right side
53,855.24x = 3,107,331,603.06 - Step 5: Solve for x
x = 3,107,331,603.06/53,855.24 - Step 6: Final answer
x = 57,697.85
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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.