Finding the Fourth Proportional to 5,544,138.70, 8,316,208.06 and 5,129,418.70
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Solution
The fourth proportional to 5,544,138.70, 8,316,208.06 and 5,129,418.70 is: 7,694,128.06
Step by Step Solution
- Step 1: Write the proportion equation
5,544,138.70 : 8,316,208.06 = 5,129,418.70 : x - Step 2: Convert to fraction form
5,544,138.70/8,316,208.06 = 5,129,418.70/x - Step 3: Cross multiply
5,544,138.70x = 8,316,208.06 × 5,129,418.70 - Step 4: Simplify right side
5,544,138.70x = 42,657,313,136,054.72 - Step 5: Solve for x
x = 42,657,313,136,054.72/5,544,138.70 - Step 6: Final answer
x = 7,694,128.06
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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.