Finding the Fourth Proportional to 5,529,133.91, 7,630,240.15 and 3,081,900.08
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Solution
The fourth proportional to 5,529,133.91, 7,630,240.15 and 3,081,900.08 is: 4,253,041.82
Step by Step Solution
- Step 1: Write the proportion equation
5,529,133.91 : 7,630,240.15 = 3,081,900.08 : x - Step 2: Convert to fraction form
5,529,133.91/7,630,240.15 = 3,081,900.08/x - Step 3: Cross multiply
5,529,133.91x = 7,630,240.15 × 3,081,900.08 - Step 4: Simplify right side
5,529,133.91x = 23,515,637,728,704.21 - Step 5: Solve for x
x = 23,515,637,728,704.21/5,529,133.91 - Step 6: Final answer
x = 4,253,041.82
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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.