Finding the Fourth Proportional to 69,543.31, 104,334.42 and 22,828.99
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Solution
The fourth proportional to 69,543.31, 104,334.42 and 22,828.99 is: 34,249.87
Step by Step Solution
- Step 1: Write the proportion equation
69,543.31 : 104,334.42 = 22,828.99 : x - Step 2: Convert to fraction form
69,543.31/104,334.42 = 22,828.99/x - Step 3: Cross multiply
69,543.31x = 104,334.42 × 22,828.99 - Step 4: Simplify right side
69,543.31x = 2,381,849,430.84 - Step 5: Solve for x
x = 2,381,849,430.84/69,543.31 - Step 6: Final answer
x = 34,249.87
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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.