Finding the Fourth Proportional to 44,581.20, 66,841.50 and 21,210
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Solution
The fourth proportional to 44,581.20, 66,841.50 and 21,210 is: 31,800.58
Step by Step Solution
- Step 1: Write the proportion equation
44,581.20 : 66,841.50 = 21,210 : x - Step 2: Convert to fraction form
44,581.20/66,841.50 = 21,210/x - Step 3: Cross multiply
44,581.20x = 66,841.50 × 21,210 - Step 4: Simplify right side
44,581.20x = 1,417,708,215 - Step 5: Solve for x
x = 1,417,708,215/44,581.20 - Step 6: Final answer
x = 31,800.58
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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.