Finding the Fourth Proportional to 83,845.53, 125,741.64 and 27,675.17
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Solution
The fourth proportional to 83,845.53, 125,741.64 and 27,675.17 is: 41,503.95
Step by Step Solution
- Step 1: Write the proportion equation
83,845.53 : 125,741.64 = 27,675.17 : x - Step 2: Convert to fraction form
83,845.53/125,741.64 = 27,675.17/x - Step 3: Cross multiply
83,845.53x = 125,741.64 × 27,675.17 - Step 4: Simplify right side
83,845.53x = 3,479,920,634.37 - Step 5: Solve for x
x = 3,479,920,634.37/83,845.53 - Step 6: Final answer
x = 41,503.95
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1.5x scale
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.