Finding the Fourth Proportional to 38,434.20, 57,269.22 and 34,242
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Solution
The fourth proportional to 38,434.20, 57,269.22 and 34,242 is: 51,022.60
Step by Step Solution
- Step 1: Write the proportion equation
38,434.20 : 57,269.22 = 34,242 : x - Step 2: Convert to fraction form
38,434.20/57,269.22 = 34,242/x - Step 3: Cross multiply
38,434.20x = 57,269.22 × 34,242 - Step 4: Simplify right side
38,434.20x = 1,961,012,631.24 - Step 5: Solve for x
x = 1,961,012,631.24/38,434.20 - Step 6: Final answer
x = 51,022.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.