Finding the Fourth Proportional to 7,074,369.80, 9,752,744.76 and 5,982,259.76
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Solution
The fourth proportional to 7,074,369.80, 9,752,744.76 and 5,982,259.76 is: 8,247,158.99
Step by Step Solution
- Step 1: Write the proportion equation
7,074,369.80 : 9,752,744.76 = 5,982,259.76 : x - Step 2: Convert to fraction form
7,074,369.80/9,752,744.76 = 5,982,259.76/x - Step 3: Cross multiply
7,074,369.80x = 9,752,744.76 × 5,982,259.76 - Step 4: Simplify right side
7,074,369.80x = 58,343,452,527,298.85 - Step 5: Solve for x
x = 58,343,452,527,298.85/7,074,369.80 - Step 6: Final answer
x = 8,247,158.99
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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.