Finding the Fourth Proportional to 82,865.88, 124,274.12 and 29,548.44
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Solution
The fourth proportional to 82,865.88, 124,274.12 and 29,548.44 is: 44,313.85
Step by Step Solution
- Step 1: Write the proportion equation
82,865.88 : 124,274.12 = 29,548.44 : x - Step 2: Convert to fraction form
82,865.88/124,274.12 = 29,548.44/x - Step 3: Cross multiply
82,865.88x = 124,274.12 × 29,548.44 - Step 4: Simplify right side
82,865.88x = 3,672,106,230.63 - Step 5: Solve for x
x = 3,672,106,230.63/82,865.88 - Step 6: Final answer
x = 44,313.85
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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.