Finding the Fourth Proportional to 83,718.64, 125,578.94 and 24,555.49
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Solution
The fourth proportional to 83,718.64, 125,578.94 and 24,555.49 is: 36,833.52
Step by Step Solution
- Step 1: Write the proportion equation
83,718.64 : 125,578.94 = 24,555.49 : x - Step 2: Convert to fraction form
83,718.64/125,578.94 = 24,555.49/x - Step 3: Cross multiply
83,718.64x = 125,578.94 × 24,555.49 - Step 4: Simplify right side
83,718.64x = 3,083,652,405.38 - Step 5: Solve for x
x = 3,083,652,405.38/83,718.64 - Step 6: Final answer
x = 36,833.52
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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.