Finding the Fourth Proportional to 89,582.88, 134,393.74 and 27,251.76
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Solution
The fourth proportional to 89,582.88, 134,393.74 and 27,251.76 is: 40,883.55
Step by Step Solution
- Step 1: Write the proportion equation
89,582.88 : 134,393.74 = 27,251.76 : x - Step 2: Convert to fraction form
89,582.88/134,393.74 = 27,251.76/x - Step 3: Cross multiply
89,582.88x = 134,393.74 × 27,251.76 - Step 4: Simplify right side
89,582.88x = 3,662,465,947.98 - Step 5: Solve for x
x = 3,662,465,947.98/89,582.88 - Step 6: Final answer
x = 40,883.55
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1.5x scale
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.