Finding the Fourth Proportional to 6,275,708.05, 9,413,562.08 and 4,362,520.45
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Solution
The fourth proportional to 6,275,708.05, 9,413,562.08 and 4,362,520.45 is: 6,543,780.68
Step by Step Solution
- Step 1: Write the proportion equation
6,275,708.05 : 9,413,562.08 = 4,362,520.45 : x - Step 2: Convert to fraction form
6,275,708.05/9,413,562.08 = 4,362,520.45/x - Step 3: Cross multiply
6,275,708.05x = 9,413,562.08 × 4,362,520.45 - Step 4: Simplify right side
6,275,708.05x = 41,066,857,059,531.93 - Step 5: Solve for x
x = 41,066,857,059,531.93/6,275,708.05 - Step 6: Final answer
x = 6,543,780.68
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Double scale
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Similar ratio
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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.