Finding the Fourth Proportional to 71,373.02, 107,074.56 and 26,998.80
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Solution
The fourth proportional to 71,373.02, 107,074.56 and 26,998.80 is: 40,503.89
Step by Step Solution
- Step 1: Write the proportion equation
71,373.02 : 107,074.56 = 26,998.80 : x - Step 2: Convert to fraction form
71,373.02/107,074.56 = 26,998.80/x - Step 3: Cross multiply
71,373.02x = 107,074.56 × 26,998.80 - Step 4: Simplify right side
71,373.02x = 2,890,884,630.53 - Step 5: Solve for x
x = 2,890,884,630.53/71,373.02 - Step 6: Final answer
x = 40,503.89
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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.