Finding the Fourth Proportional to 83,758.42, 125,656.16 and 27,596.26
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Solution
The fourth proportional to 83,758.42, 125,656.16 and 27,596.26 is: 41,400.50
Step by Step Solution
- Step 1: Write the proportion equation
83,758.42 : 125,656.16 = 27,596.26 : x - Step 2: Convert to fraction form
83,758.42/125,656.16 = 27,596.26/x - Step 3: Cross multiply
83,758.42x = 125,656.16 × 27,596.26 - Step 4: Simplify right side
83,758.42x = 3,467,640,061.96 - Step 5: Solve for x
x = 3,467,640,061.96/83,758.42 - Step 6: Final answer
x = 41,400.50
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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.