Finding the Fourth Proportional to 5,467,514.30, 8,201,271.45 and 5,201,793.80
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Solution
The fourth proportional to 5,467,514.30, 8,201,271.45 and 5,201,793.80 is: 7,802,690.70
Step by Step Solution
- Step 1: Write the proportion equation
5,467,514.30 : 8,201,271.45 = 5,201,793.80 : x - Step 2: Convert to fraction form
5,467,514.30/8,201,271.45 = 5,201,793.80/x - Step 3: Cross multiply
5,467,514.30x = 8,201,271.45 × 5,201,793.80 - Step 4: Simplify right side
5,467,514.30x = 42,661,322,980,727.01 - Step 5: Solve for x
x = 42,661,322,980,727.01/5,467,514.30 - Step 6: Final answer
x = 7,802,690.70
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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.