Finding the Fourth Proportional to 7,759,846.72, 10,704,879.72 and 6,029,122.96
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Solution
The fourth proportional to 7,759,846.72, 10,704,879.72 and 6,029,122.96 is: 8,317,308.12
Step by Step Solution
- Step 1: Write the proportion equation
7,759,846.72 : 10,704,879.72 = 6,029,122.96 : x - Step 2: Convert to fraction form
7,759,846.72/10,704,879.72 = 6,029,122.96/x - Step 3: Cross multiply
7,759,846.72x = 10,704,879.72 × 6,029,122.96 - Step 4: Simplify right side
7,759,846.72x = 64,541,036,103,890.38 - Step 5: Solve for x
x = 64,541,036,103,890.38/7,759,846.72 - Step 6: Final answer
x = 8,317,308.12
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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.