Finding the Fourth Proportional to 5,617,544.06, 7,757,564.81 and 5,311,504.40
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Solution
The fourth proportional to 5,617,544.06, 7,757,564.81 and 5,311,504.40 is: 7,334,938.39
Step by Step Solution
- Step 1: Write the proportion equation
5,617,544.06 : 7,757,564.81 = 5,311,504.40 : x - Step 2: Convert to fraction form
5,617,544.06/7,757,564.81 = 5,311,504.40/x - Step 3: Cross multiply
5,617,544.06x = 7,757,564.81 × 5,311,504.40 - Step 4: Simplify right side
5,617,544.06x = 41,204,339,556,254.81 - Step 5: Solve for x
x = 41,204,339,556,254.81/5,617,544.06 - Step 6: Final answer
x = 7,334,938.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.