Finding the Fourth Proportional to 73,938.26, 102,038.01 and 41,683.70
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Solution
The fourth proportional to 73,938.26, 102,038.01 and 41,683.70 is: 57,525.32
Step by Step Solution
- Step 1: Write the proportion equation
73,938.26 : 102,038.01 = 41,683.70 : x - Step 2: Convert to fraction form
73,938.26/102,038.01 = 41,683.70/x - Step 3: Cross multiply
73,938.26x = 102,038.01 × 41,683.70 - Step 4: Simplify right side
73,938.26x = 4,253,321,797.44 - Step 5: Solve for x
x = 4,253,321,797.44/73,938.26 - Step 6: Final answer
x = 57,525.32
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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.