Finding the Fourth Proportional to 82,842.48, 124,250.76 and 27,438.48
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Solution
The fourth proportional to 82,842.48, 124,250.76 and 27,438.48 is: 41,153.43
Step by Step Solution
- Step 1: Write the proportion equation
82,842.48 : 124,250.76 = 27,438.48 : x - Step 2: Convert to fraction form
82,842.48/124,250.76 = 27,438.48/x - Step 3: Cross multiply
82,842.48x = 124,250.76 × 27,438.48 - Step 4: Simplify right side
82,842.48x = 3,409,251,993.24 - Step 5: Solve for x
x = 3,409,251,993.24/82,842.48 - Step 6: Final answer
x = 41,153.43
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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.