Finding the Fourth Proportional to 7,625,998.26, 10,523,960.46 and 4,188,239.46
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Solution
The fourth proportional to 7,625,998.26, 10,523,960.46 and 4,188,239.46 is: 5,779,815.96
Step by Step Solution
- Step 1: Write the proportion equation
7,625,998.26 : 10,523,960.46 = 4,188,239.46 : x - Step 2: Convert to fraction form
7,625,998.26/10,523,960.46 = 4,188,239.46/x - Step 3: Cross multiply
7,625,998.26x = 10,523,960.46 × 4,188,239.46 - Step 4: Simplify right side
7,625,998.26x = 44,076,866,474,051.76 - Step 5: Solve for x
x = 44,076,866,474,051.76/7,625,998.26 - Step 6: Final answer
x = 5,779,815.96
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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.