Finding the Fourth Proportional to 5,824,287.20, 8,736,430.80 and 5,493,612.80
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Solution
The fourth proportional to 5,824,287.20, 8,736,430.80 and 5,493,612.80 is: 8,240,419.20
Step by Step Solution
- Step 1: Write the proportion equation
5,824,287.20 : 8,736,430.80 = 5,493,612.80 : x - Step 2: Convert to fraction form
5,824,287.20/8,736,430.80 = 5,493,612.80/x - Step 3: Cross multiply
5,824,287.20x = 8,736,430.80 × 5,493,612.80 - Step 4: Simplify right side
5,824,287.20x = 47,994,568,069,194.24 - Step 5: Solve for x
x = 47,994,568,069,194.24/5,824,287.20 - Step 6: Final answer
x = 8,240,419.20
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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.