Finding the Fourth Proportional to 5,501,532.40, 8,236,552.20 and 4,871,676.40
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Solution
The fourth proportional to 5,501,532.40, 8,236,552.20 and 4,871,676.40 is: 7,293,570.96
Step by Step Solution
- Step 1: Write the proportion equation
5,501,532.40 : 8,236,552.20 = 4,871,676.40 : x - Step 2: Convert to fraction form
5,501,532.40/8,236,552.20 = 4,871,676.40/x - Step 3: Cross multiply
5,501,532.40x = 8,236,552.20 × 4,871,676.40 - Step 4: Simplify right side
5,501,532.40x = 40,125,816,970,108.09 - Step 5: Solve for x
x = 40,125,816,970,108.09/5,501,532.40 - Step 6: Final answer
x = 7,293,570.96
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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.