Finding the Fourth Proportional to 5,451,712.70, 8,177,569.05 and 5,346,736.70
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Solution
The fourth proportional to 5,451,712.70, 8,177,569.05 and 5,346,736.70 is: 8,020,105.05
Step by Step Solution
- Step 1: Write the proportion equation
5,451,712.70 : 8,177,569.05 = 5,346,736.70 : x - Step 2: Convert to fraction form
5,451,712.70/8,177,569.05 = 5,346,736.70/x - Step 3: Cross multiply
5,451,712.70x = 8,177,569.05 × 5,346,736.70 - Step 4: Simplify right side
5,451,712.70x = 43,723,308,556,419.13 - Step 5: Solve for x
x = 43,723,308,556,419.13/5,451,712.70 - Step 6: Final answer
x = 8,020,105.05
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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.