Finding the Fourth Proportional to 5,451,690.70, 8,177,536.05 and 5,346,714.70
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Solution
The fourth proportional to 5,451,690.70, 8,177,536.05 and 5,346,714.70 is: 8,020,072.05
Step by Step Solution
- Step 1: Write the proportion equation
5,451,690.70 : 8,177,536.05 = 5,346,714.70 : x - Step 2: Convert to fraction form
5,451,690.70/8,177,536.05 = 5,346,714.70/x - Step 3: Cross multiply
5,451,690.70x = 8,177,536.05 × 5,346,714.70 - Step 4: Simplify right side
5,451,690.70x = 43,722,952,208,314.94 - Step 5: Solve for x
x = 43,722,952,208,314.94/5,451,690.70 - Step 6: Final answer
x = 8,020,072.05
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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.