Finding the Fourth Proportional to 5,977,022.40, 8,965,533.30 and 5,686,612.19
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Solution
The fourth proportional to 5,977,022.40, 8,965,533.30 and 5,686,612.19 is: 8,529,917.99
Step by Step Solution
- Step 1: Write the proportion equation
5,977,022.40 : 8,965,533.30 = 5,686,612.19 : x - Step 2: Convert to fraction form
5,977,022.40/8,965,533.30 = 5,686,612.19/x - Step 3: Cross multiply
5,977,022.40x = 8,965,533.30 × 5,686,612.19 - Step 4: Simplify right side
5,977,022.40x = 50,983,510,921,099.22 - Step 5: Solve for x
x = 50,983,510,921,099.22/5,977,022.40 - Step 6: Final answer
x = 8,529,917.99
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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.