Finding the Fourth Proportional to 5,386,586.20, 8,084,285.70 and 5,344,595.80
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Solution
The fourth proportional to 5,386,586.20, 8,084,285.70 and 5,344,595.80 is: 8,021,265.75
Step by Step Solution
- Step 1: Write the proportion equation
5,386,586.20 : 8,084,285.70 = 5,344,595.80 : x - Step 2: Convert to fraction form
5,386,586.20/8,084,285.70 = 5,344,595.80/x - Step 3: Cross multiply
5,386,586.20x = 8,084,285.70 × 5,344,595.80 - Step 4: Simplify right side
5,386,586.20x = 43,207,239,398,220.06 - Step 5: Solve for x
x = 43,207,239,398,220.06/5,386,586.20 - Step 6: Final answer
x = 8,021,265.75
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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.