Finding the Fourth Proportional to 5,250,827.09, 7,865,734.84 and 4,173,158.24
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Solution
The fourth proportional to 5,250,827.09, 7,865,734.84 and 4,173,158.24 is: 6,251,387.75
Step by Step Solution
- Step 1: Write the proportion equation
5,250,827.09 : 7,865,734.84 = 4,173,158.24 : x - Step 2: Convert to fraction form
5,250,827.09/7,865,734.84 = 4,173,158.24/x - Step 3: Cross multiply
5,250,827.09x = 7,865,734.84 × 4,173,158.24 - Step 4: Simplify right side
5,250,827.09x = 32,824,956,140,936.02 - Step 5: Solve for x
x = 32,824,956,140,936.02/5,250,827.09 - Step 6: Final answer
x = 6,251,387.75
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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.