Finding the Fourth Proportional to 5,749,166.90, 8,629,731.80 and 4,234,560.05
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Solution
The fourth proportional to 5,749,166.90, 8,629,731.80 and 4,234,560.05 is: 6,356,245.72
Step by Step Solution
- Step 1: Write the proportion equation
5,749,166.90 : 8,629,731.80 = 4,234,560.05 : x - Step 2: Convert to fraction form
5,749,166.90/8,629,731.80 = 4,234,560.05/x - Step 3: Cross multiply
5,749,166.90x = 8,629,731.80 × 4,234,560.05 - Step 4: Simplify right side
5,749,166.90x = 36,543,117,511,908.19 - Step 5: Solve for x
x = 36,543,117,511,908.19/5,749,166.90 - Step 6: Final answer
x = 6,356,245.72
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1.5x scale
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.