Finding the Fourth Proportional to 37.29, 55.94 and 19.25
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Solution
The fourth proportional to 37.29, 55.94 and 19.25 is: 28.88
Step by Step Solution
- Step 1: Write the proportion equation
37.29 : 55.94 = 19.25 : x - Step 2: Convert to fraction form
37.29/55.94 = 19.25/x - Step 3: Cross multiply
37.29x = 55.94 × 19.25 - Step 4: Simplify right side
37.29x = 1,076.85 - Step 5: Solve for x
x = 1,076.85/37.29 - Step 6: Final answer
x = 28.88
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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.