Finding the Fourth Proportional to 29,686,507.80, 44,529,761.70 and 18,349,099.80
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Solution
The fourth proportional to 29,686,507.80, 44,529,761.70 and 18,349,099.80 is: 27,523,649.70
Step by Step Solution
- Step 1: Write the proportion equation
29,686,507.80 : 44,529,761.70 = 18,349,099.80 : x - Step 2: Convert to fraction form
29,686,507.80/44,529,761.70 = 18,349,099.80/x - Step 3: Cross multiply
29,686,507.80x = 44,529,761.70 × 18,349,099.80 - Step 4: Simplify right side
29,686,507.80x = 817,081,041,503,517.75 - Step 5: Solve for x
x = 817,081,041,503,517.75/29,686,507.80 - Step 6: Final answer
x = 27,523,649.70
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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.