Finding the Fourth Proportional to 7,003,459.97, 9,664,775.16 and 3,784,195.97
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Solution
The fourth proportional to 7,003,459.97, 9,664,775.16 and 3,784,195.97 is: 5,222,190.66
Step by Step Solution
- Step 1: Write the proportion equation
7,003,459.97 : 9,664,775.16 = 3,784,195.97 : x - Step 2: Convert to fraction form
7,003,459.97/9,664,775.16 = 3,784,195.97/x - Step 3: Cross multiply
7,003,459.97x = 9,664,775.16 × 3,784,195.97 - Step 4: Simplify right side
7,003,459.97x = 36,573,403,206,442.51 - Step 5: Solve for x
x = 36,573,403,206,442.51/7,003,459.97 - Step 6: Final answer
x = 5,222,190.66
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1.5x scale
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.