Finding the Fourth Proportional to 31,745, 43,808.10 and 17,600
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Solution
The fourth proportional to 31,745, 43,808.10 and 17,600 is: 24,288
Step by Step Solution
- Step 1: Write the proportion equation
31,745 : 43,808.10 = 17,600 : x - Step 2: Convert to fraction form
31,745/43,808.10 = 17,600/x - Step 3: Cross multiply
31,745x = 43,808.10 × 17,600 - Step 4: Simplify right side
31,745x = 771,022,560 - Step 5: Solve for x
x = 771,022,560/31,745 - Step 6: Final answer
x = 24,288
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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.