Finding the Fourth Proportional to 53,896.26, 74,379.14 and 30,022.95
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Solution
The fourth proportional to 53,896.26, 74,379.14 and 30,022.95 is: 41,432.95
Step by Step Solution
- Step 1: Write the proportion equation
53,896.26 : 74,379.14 = 30,022.95 : x - Step 2: Convert to fraction form
53,896.26/74,379.14 = 30,022.95/x - Step 3: Cross multiply
53,896.26x = 74,379.14 × 30,022.95 - Step 4: Simplify right side
53,896.26x = 2,233,081,201.26 - Step 5: Solve for x
x = 2,233,081,201.26/53,896.26 - Step 6: Final answer
x = 41,432.95
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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.