Finding the Fourth Proportional to 5,512,232.75, 7,606,682.12 and 3,031,432.02
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Solution
The fourth proportional to 5,512,232.75, 7,606,682.12 and 3,031,432.02 is: 4,183,266.71
Step by Step Solution
- Step 1: Write the proportion equation
5,512,232.75 : 7,606,682.12 = 3,031,432.02 : x - Step 2: Convert to fraction form
5,512,232.75/7,606,682.12 = 3,031,432.02/x - Step 3: Cross multiply
5,512,232.75x = 7,606,682.12 × 3,031,432.02 - Step 4: Simplify right side
5,512,232.75x = 23,059,139,752,108.06 - Step 5: Solve for x
x = 23,059,139,752,108.06/5,512,232.75 - Step 6: Final answer
x = 4,183,266.71
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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.