Finding the Fourth Proportional to 169.25, 253.88 and 41
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Solution
The fourth proportional to 169.25, 253.88 and 41 is: 61.50
Step by Step Solution
- Step 1: Write the proportion equation
169.25 : 253.88 = 41 : x - Step 2: Convert to fraction form
169.25/253.88 = 41/x - Step 3: Cross multiply
169.25x = 253.88 × 41 - Step 4: Simplify right side
169.25x = 10,408.88 - Step 5: Solve for x
x = 10,408.88/169.25 - Step 6: Final answer
x = 61.50
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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.