Finding the Fourth Proportional to 31,799,413.80, 47,699,120.70 and 29,673,649.80
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Solution
The fourth proportional to 31,799,413.80, 47,699,120.70 and 29,673,649.80 is: 44,510,474.70
Step by Step Solution
- Step 1: Write the proportion equation
31,799,413.80 : 47,699,120.70 = 29,673,649.80 : x - Step 2: Convert to fraction form
31,799,413.80/47,699,120.70 = 29,673,649.80/x - Step 3: Cross multiply
31,799,413.80x = 47,699,120.70 × 29,673,649.80 - Step 4: Simplify right side
31,799,413.80x = 1,415,407,003,419,731 - Step 5: Solve for x
x = 1,415,407,003,419,731/31,799,413.80 - Step 6: Final answer
x = 44,510,474.70
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1.5x scale
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.