Finding the Fourth Proportional to 75,447.09, 113,188.14 and 22,136.93
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Solution
The fourth proportional to 75,447.09, 113,188.14 and 22,136.93 is: 33,210.52
Step by Step Solution
- Step 1: Write the proportion equation
75,447.09 : 113,188.14 = 22,136.93 : x - Step 2: Convert to fraction form
75,447.09/113,188.14 = 22,136.93/x - Step 3: Cross multiply
75,447.09x = 113,188.14 × 22,136.93 - Step 4: Simplify right side
75,447.09x = 2,505,637,366.07 - Step 5: Solve for x
x = 2,505,637,366.07/75,447.09 - Step 6: Final answer
x = 33,210.52
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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.