Finding the Fourth Proportional to 48,030,311.79, 66,292,724.79 and 37,555,609.68
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Solution
The fourth proportional to 48,030,311.79, 66,292,724.79 and 37,555,609.68 is: 51,835,259.94
Step by Step Solution
- Step 1: Write the proportion equation
48,030,311.79 : 66,292,724.79 = 37,555,609.68 : x - Step 2: Convert to fraction form
48,030,311.79/66,292,724.79 = 37,555,609.68/x - Step 3: Cross multiply
48,030,311.79x = 66,292,724.79 × 37,555,609.68 - Step 4: Simplify right side
48,030,311.79x = 2,489,663,696,836,900 - Step 5: Solve for x
x = 2,489,663,696,836,900/48,030,311.79 - Step 6: Final answer
x = 51,835,259.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.