Finding the Fourth Proportional to 35,524,992.96, 49,025,684.16 and 21,771,305.28
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Solution
The fourth proportional to 35,524,992.96, 49,025,684.16 and 21,771,305.28 is: 30,045,132.95
Step by Step Solution
- Step 1: Write the proportion equation
35,524,992.96 : 49,025,684.16 = 21,771,305.28 : x - Step 2: Convert to fraction form
35,524,992.96/49,025,684.16 = 21,771,305.28/x - Step 3: Cross multiply
35,524,992.96x = 49,025,684.16 × 21,771,305.28 - Step 4: Simplify right side
35,524,992.96x = 1,067,353,136,408,220.38 - Step 5: Solve for x
x = 1,067,353,136,408,220.38/35,524,992.96 - Step 6: Final answer
x = 30,045,132.95
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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.