Finding the Fourth Proportional to 74,447.70, 111,647.54 and 24,515.93
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Solution
The fourth proportional to 74,447.70, 111,647.54 and 24,515.93 is: 36,765.99
Step by Step Solution
- Step 1: Write the proportion equation
74,447.70 : 111,647.54 = 24,515.93 : x - Step 2: Convert to fraction form
74,447.70/111,647.54 = 24,515.93/x - Step 3: Cross multiply
74,447.70x = 111,647.54 × 24,515.93 - Step 4: Simplify right side
74,447.70x = 2,737,143,275.31 - Step 5: Solve for x
x = 2,737,143,275.31/74,447.70 - Step 6: Final answer
x = 36,765.99
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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.