Finding the Fourth Proportional to 7,233,028.70, 10,849,543.05 and 2,183,683.10
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Solution
The fourth proportional to 7,233,028.70, 10,849,543.05 and 2,183,683.10 is: 3,275,524.65
Step by Step Solution
- Step 1: Write the proportion equation
7,233,028.70 : 10,849,543.05 = 2,183,683.10 : x - Step 2: Convert to fraction form
7,233,028.70/10,849,543.05 = 2,183,683.10/x - Step 3: Cross multiply
7,233,028.70x = 10,849,543.05 × 2,183,683.10 - Step 4: Simplify right side
7,233,028.70x = 23,691,963,801,007.46 - Step 5: Solve for x
x = 23,691,963,801,007.46/7,233,028.70 - Step 6: Final answer
x = 3,275,524.65
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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.