Finding the Fourth Proportional to 34,705.55, 47,893.60 and 18,790
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Solution
The fourth proportional to 34,705.55, 47,893.60 and 18,790 is: 25,930.17
Step by Step Solution
- Step 1: Write the proportion equation
34,705.55 : 47,893.60 = 18,790 : x - Step 2: Convert to fraction form
34,705.55/47,893.60 = 18,790/x - Step 3: Cross multiply
34,705.55x = 47,893.60 × 18,790 - Step 4: Simplify right side
34,705.55x = 899,920,744 - Step 5: Solve for x
x = 899,920,744/34,705.55 - Step 6: Final answer
x = 25,930.17
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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.