Finding the Fourth Proportional to 50,759.56, 70,050.06 and 27,790.99
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Solution
The fourth proportional to 50,759.56, 70,050.06 and 27,790.99 is: 38,352.59
Step by Step Solution
- Step 1: Write the proportion equation
50,759.56 : 70,050.06 = 27,790.99 : x - Step 2: Convert to fraction form
50,759.56/70,050.06 = 27,790.99/x - Step 3: Cross multiply
50,759.56x = 70,050.06 × 27,790.99 - Step 4: Simplify right side
50,759.56x = 1,946,760,516.96 - Step 5: Solve for x
x = 1,946,760,516.96/50,759.56 - Step 6: Final answer
x = 38,352.59
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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.