Finding the Fourth Proportional to 6,960,630.23, 9,605,735.28 and 3,904,910.09
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Solution
The fourth proportional to 6,960,630.23, 9,605,735.28 and 3,904,910.09 is: 5,388,812.70
Step by Step Solution
- Step 1: Write the proportion equation
6,960,630.23 : 9,605,735.28 = 3,904,910.09 : x - Step 2: Convert to fraction form
6,960,630.23/9,605,735.28 = 3,904,910.09/x - Step 3: Cross multiply
6,960,630.23x = 9,605,735.28 × 3,904,910.09 - Step 4: Simplify right side
6,960,630.23x = 37,509,532,616,740.97 - Step 5: Solve for x
x = 37,509,532,616,740.97/6,960,630.23 - Step 6: Final answer
x = 5,388,812.70
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1.5x scale
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.