Finding the Fourth Proportional to 76,925.99, 115,440.59 and 27,006.26
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Solution
The fourth proportional to 76,925.99, 115,440.59 and 27,006.26 is: 40,527.50
Step by Step Solution
- Step 1: Write the proportion equation
76,925.99 : 115,440.59 = 27,006.26 : x - Step 2: Convert to fraction form
76,925.99/115,440.59 = 27,006.26/x - Step 3: Cross multiply
76,925.99x = 115,440.59 × 27,006.26 - Step 4: Simplify right side
76,925.99x = 3,117,618,078.41 - Step 5: Solve for x
x = 3,117,618,078.41/76,925.99 - Step 6: Final answer
x = 40,527.50
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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.