Finding the Fourth Proportional to 7,571,553.12, 10,448,689.23 and 4,133,794.05
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Solution
The fourth proportional to 7,571,553.12, 10,448,689.23 and 4,133,794.05 is: 5,704,606.27
Step by Step Solution
- Step 1: Write the proportion equation
7,571,553.12 : 10,448,689.23 = 4,133,794.05 : x - Step 2: Convert to fraction form
7,571,553.12/10,448,689.23 = 4,133,794.05/x - Step 3: Cross multiply
7,571,553.12x = 10,448,689.23 × 4,133,794.05 - Step 4: Simplify right side
7,571,553.12x = 43,192,729,369,273.08 - Step 5: Solve for x
x = 43,192,729,369,273.08/7,571,553.12 - Step 6: Final answer
x = 5,704,606.27
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1.5x scale
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.