Finding the Fourth Proportional to 73,825.88, 110,731.76 and 29,440.76
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Solution
The fourth proportional to 73,825.88, 110,731.76 and 29,440.76 is: 44,158.32
Step by Step Solution
- Step 1: Write the proportion equation
73,825.88 : 110,731.76 = 29,440.76 : x - Step 2: Convert to fraction form
73,825.88/110,731.76 = 29,440.76/x - Step 3: Cross multiply
73,825.88x = 110,731.76 × 29,440.76 - Step 4: Simplify right side
73,825.88x = 3,260,027,170.54 - Step 5: Solve for x
x = 3,260,027,170.54/73,825.88 - Step 6: Final answer
x = 44,158.32
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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.