Finding the Fourth Proportional to 5,256,768.24, 7,252,968.96 and 3,080,142.72
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Solution
The fourth proportional to 5,256,768.24, 7,252,968.96 and 3,080,142.72 is: 4,249,793.51
Step by Step Solution
- Step 1: Write the proportion equation
5,256,768.24 : 7,252,968.96 = 3,080,142.72 : x - Step 2: Convert to fraction form
5,256,768.24/7,252,968.96 = 3,080,142.72/x - Step 3: Cross multiply
5,256,768.24x = 7,252,968.96 × 3,080,142.72 - Step 4: Simplify right side
5,256,768.24x = 22,340,179,540,529.97 - Step 5: Solve for x
x = 22,340,179,540,529.97/5,256,768.24 - Step 6: Final answer
x = 4,249,793.51
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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.