Finding the Fourth Proportional to 34,976,750.80, 52,465,126.20 and 31,292,093.20
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Solution
The fourth proportional to 34,976,750.80, 52,465,126.20 and 31,292,093.20 is: 46,938,139.80
Step by Step Solution
- Step 1: Write the proportion equation
34,976,750.80 : 52,465,126.20 = 31,292,093.20 : x - Step 2: Convert to fraction form
34,976,750.80/52,465,126.20 = 31,292,093.20/x - Step 3: Cross multiply
34,976,750.80x = 52,465,126.20 × 31,292,093.20 - Step 4: Simplify right side
34,976,750.80x = 1,641,743,618,800,162 - Step 5: Solve for x
x = 1,641,743,618,800,162/34,976,750.80 - Step 6: Final answer
x = 46,938,139.80
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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.