Finding the Fourth Proportional to 10,752,275.40, 16,128,413.10 and 10,677,625.80
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Solution
The fourth proportional to 10,752,275.40, 16,128,413.10 and 10,677,625.80 is: 16,016,438.70
Step by Step Solution
- Step 1: Write the proportion equation
10,752,275.40 : 16,128,413.10 = 10,677,625.80 : x - Step 2: Convert to fraction form
10,752,275.40/16,128,413.10 = 10,677,625.80/x - Step 3: Cross multiply
10,752,275.40x = 16,128,413.10 × 10,677,625.80 - Step 4: Simplify right side
10,752,275.40x = 172,213,159,829,618 - Step 5: Solve for x
x = 172,213,159,829,618/10,752,275.40 - Step 6: Final answer
x = 16,016,438.70
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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.