Finding the Fourth Proportional to 5,660,896.80, 8,491,345.20 and 3,771,328.80
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Solution
The fourth proportional to 5,660,896.80, 8,491,345.20 and 3,771,328.80 is: 5,656,993.20
Step by Step Solution
- Step 1: Write the proportion equation
5,660,896.80 : 8,491,345.20 = 3,771,328.80 : x - Step 2: Convert to fraction form
5,660,896.80/8,491,345.20 = 3,771,328.80/x - Step 3: Cross multiply
5,660,896.80x = 8,491,345.20 × 3,771,328.80 - Step 4: Simplify right side
5,660,896.80x = 32,023,654,703,501.75 - Step 5: Solve for x
x = 32,023,654,703,501.75/5,660,896.80 - Step 6: Final answer
x = 5,656,993.20
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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.