Finding the Fourth Proportional to 72,205.76, 108,268.99 and 22,272
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Solution
The fourth proportional to 72,205.76, 108,268.99 and 22,272 is: 33,395.77
Step by Step Solution
- Step 1: Write the proportion equation
72,205.76 : 108,268.99 = 22,272 : x - Step 2: Convert to fraction form
72,205.76/108,268.99 = 22,272/x - Step 3: Cross multiply
72,205.76x = 108,268.99 × 22,272 - Step 4: Simplify right side
72,205.76x = 2,411,366,945.28 - Step 5: Solve for x
x = 2,411,366,945.28/72,205.76 - Step 6: Final answer
x = 33,395.77
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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.