Finding the Fourth Proportional to 32,332,292.80, 48,498,439.20 and 20,853,167.20
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Solution
The fourth proportional to 32,332,292.80, 48,498,439.20 and 20,853,167.20 is: 31,279,750.80
Step by Step Solution
- Step 1: Write the proportion equation
32,332,292.80 : 48,498,439.20 = 20,853,167.20 : x - Step 2: Convert to fraction form
32,332,292.80/48,498,439.20 = 20,853,167.20/x - Step 3: Cross multiply
32,332,292.80x = 48,498,439.20 × 20,853,167.20 - Step 4: Simplify right side
32,332,292.80x = 1,011,346,061,576,634.25 - Step 5: Solve for x
x = 1,011,346,061,576,634.25/32,332,292.80 - Step 6: Final answer
x = 31,279,750.80
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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.