Finding the Fourth Proportional to 53,274,991.79, 79,914,729.78 and 16,884,818.06
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Solution
The fourth proportional to 53,274,991.79, 79,914,729.78 and 16,884,818.06 is: 25,327,937.69
Step by Step Solution
- Step 1: Write the proportion equation
53,274,991.79 : 79,914,729.78 = 16,884,818.06 : x - Step 2: Convert to fraction form
53,274,991.79/79,914,729.78 = 16,884,818.06/x - Step 3: Cross multiply
53,274,991.79x = 79,914,729.78 × 16,884,818.06 - Step 4: Simplify right side
53,274,991.79x = 1,349,345,672,649,363.75 - Step 5: Solve for x
x = 1,349,345,672,649,363.75/53,274,991.79 - Step 6: Final answer
x = 25,327,937.69
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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.