Finding the Fourth Proportional to 6,225,983.80, 9,338,975.70 and 4,966,271.80
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Solution
The fourth proportional to 6,225,983.80, 9,338,975.70 and 4,966,271.80 is: 7,449,407.70
Step by Step Solution
- Step 1: Write the proportion equation
6,225,983.80 : 9,338,975.70 = 4,966,271.80 : x - Step 2: Convert to fraction form
6,225,983.80/9,338,975.70 = 4,966,271.80/x - Step 3: Cross multiply
6,225,983.80x = 9,338,975.70 × 4,966,271.80 - Step 4: Simplify right side
6,225,983.80x = 46,379,891,659,795.26 - Step 5: Solve for x
x = 46,379,891,659,795.26/6,225,983.80 - Step 6: Final answer
x = 7,449,407.70
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Double scale
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Similar ratio
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1.5x scale
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.