Finding the Fourth Proportional to 76,845.99, 115,241.25 and 32,476.17
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Solution
The fourth proportional to 76,845.99, 115,241.25 and 32,476.17 is: 48,702.53
Step by Step Solution
- Step 1: Write the proportion equation
76,845.99 : 115,241.25 = 32,476.17 : x - Step 2: Convert to fraction form
76,845.99/115,241.25 = 32,476.17/x - Step 3: Cross multiply
76,845.99x = 115,241.25 × 32,476.17 - Step 4: Simplify right side
76,845.99x = 3,742,594,426.01 - Step 5: Solve for x
x = 3,742,594,426.01/76,845.99 - Step 6: Final answer
x = 48,702.53
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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.