Finding the Fourth Proportional to 27,863,150.70, 41,794,726.05 and 7,392,830.70
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Solution
The fourth proportional to 27,863,150.70, 41,794,726.05 and 7,392,830.70 is: 11,089,246.05
Step by Step Solution
- Step 1: Write the proportion equation
27,863,150.70 : 41,794,726.05 = 7,392,830.70 : x - Step 2: Convert to fraction form
27,863,150.70/41,794,726.05 = 7,392,830.70/x - Step 3: Cross multiply
27,863,150.70x = 41,794,726.05 × 7,392,830.70 - Step 4: Simplify right side
27,863,150.70x = 308,981,333,840,529.75 - Step 5: Solve for x
x = 308,981,333,840,529.75/27,863,150.70 - Step 6: Final answer
x = 11,089,246.05
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Double scale
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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.