Finding the Fourth Proportional to 74,652.13, 111,993.99 and 24,729.40
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Solution
The fourth proportional to 74,652.13, 111,993.99 and 24,729.40 is: 37,099.33
Step by Step Solution
- Step 1: Write the proportion equation
74,652.13 : 111,993.99 = 24,729.40 : x - Step 2: Convert to fraction form
74,652.13/111,993.99 = 24,729.40/x - Step 3: Cross multiply
74,652.13x = 111,993.99 × 24,729.40 - Step 4: Simplify right side
74,652.13x = 2,769,544,176.31 - Step 5: Solve for x
x = 2,769,544,176.31/74,652.13 - Step 6: Final answer
x = 37,099.33
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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.