Finding the Fourth Proportional to 7,517,025.80, 10,373,502.42 and 4,079,266.87
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Solution
The fourth proportional to 7,517,025.80, 10,373,502.42 and 4,079,266.87 is: 5,629,391.98
Step by Step Solution
- Step 1: Write the proportion equation
7,517,025.80 : 10,373,502.42 = 4,079,266.87 : x - Step 2: Convert to fraction form
7,517,025.80/10,373,502.42 = 4,079,266.87/x - Step 3: Cross multiply
7,517,025.80x = 10,373,502.42 × 4,079,266.87 - Step 4: Simplify right side
7,517,025.80x = 42,316,284,747,770.83 - Step 5: Solve for x
x = 42,316,284,747,770.83/7,517,025.80 - Step 6: Final answer
x = 5,629,391.98
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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.