Finding the Fourth Proportional to 82,341.51, 113,631.68 and 44,615.75
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Solution
The fourth proportional to 82,341.51, 113,631.68 and 44,615.75 is: 61,569.95
Step by Step Solution
- Step 1: Write the proportion equation
82,341.51 : 113,631.68 = 44,615.75 : x - Step 2: Convert to fraction form
82,341.51/113,631.68 = 44,615.75/x - Step 3: Cross multiply
82,341.51x = 113,631.68 × 44,615.75 - Step 4: Simplify right side
82,341.51x = 5,069,762,403.88 - Step 5: Solve for x
x = 5,069,762,403.88/82,341.51 - Step 6: Final answer
x = 61,569.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.