Finding the Fourth Proportional to 7,453,266.68, 10,285,872.90 and 4,191,108.32
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Solution
The fourth proportional to 7,453,266.68, 10,285,872.90 and 4,191,108.32 is: 5,783,934.66
Step by Step Solution
- Step 1: Write the proportion equation
7,453,266.68 : 10,285,872.90 = 4,191,108.32 : x - Step 2: Convert to fraction form
7,453,266.68/10,285,872.90 = 4,191,108.32/x - Step 3: Cross multiply
7,453,266.68x = 10,285,872.90 × 4,191,108.32 - Step 4: Simplify right side
7,453,266.68x = 43,109,207,489,652.53 - Step 5: Solve for x
x = 43,109,207,489,652.53/7,453,266.68 - Step 6: Final answer
x = 5,783,934.66
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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.