Finding the Fourth Proportional to 7,527,276.93, 10,385,353.68 and 4,263,573.09
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Solution
The fourth proportional to 7,527,276.93, 10,385,353.68 and 4,263,573.09 is: 5,882,434.63
Step by Step Solution
- Step 1: Write the proportion equation
7,527,276.93 : 10,385,353.68 = 4,263,573.09 : x - Step 2: Convert to fraction form
7,527,276.93/10,385,353.68 = 4,263,573.09/x - Step 3: Cross multiply
7,527,276.93x = 10,385,353.68 × 4,263,573.09 - Step 4: Simplify right side
7,527,276.93x = 44,278,714,480,180.47 - Step 5: Solve for x
x = 44,278,714,480,180.47/7,527,276.93 - Step 6: Final answer
x = 5,882,434.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.