Finding the Fourth Proportional to 28,399.15, 42,533.07 and 27,415
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Solution
The fourth proportional to 28,399.15, 42,533.07 and 27,415 is: 41,059.12
Step by Step Solution
- Step 1: Write the proportion equation
28,399.15 : 42,533.07 = 27,415 : x - Step 2: Convert to fraction form
28,399.15/42,533.07 = 27,415/x - Step 3: Cross multiply
28,399.15x = 42,533.07 × 27,415 - Step 4: Simplify right side
28,399.15x = 1,166,044,114.05 - Step 5: Solve for x
x = 1,166,044,114.05/28,399.15 - Step 6: Final answer
x = 41,059.12
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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.