Finding the Fourth Proportional to 35,843.61, 53,724.86 and 18,045.99
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Solution
The fourth proportional to 35,843.61, 53,724.86 and 18,045.99 is: 27,048.56
Step by Step Solution
- Step 1: Write the proportion equation
35,843.61 : 53,724.86 = 18,045.99 : x - Step 2: Convert to fraction form
35,843.61/53,724.86 = 18,045.99/x - Step 3: Cross multiply
35,843.61x = 53,724.86 × 18,045.99 - Step 4: Simplify right side
35,843.61x = 969,518,017.69 - Step 5: Solve for x
x = 969,518,017.69/35,843.61 - Step 6: Final answer
x = 27,048.56
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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.