Finding the Fourth Proportional to 8,753,002.68, 12,079,752.30 and 4,886,278.68
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Solution
The fourth proportional to 8,753,002.68, 12,079,752.30 and 4,886,278.68 is: 6,743,404.32
Step by Step Solution
- Step 1: Write the proportion equation
8,753,002.68 : 12,079,752.30 = 4,886,278.68 : x - Step 2: Convert to fraction form
8,753,002.68/12,079,752.30 = 4,886,278.68/x - Step 3: Cross multiply
8,753,002.68x = 12,079,752.30 × 4,886,278.68 - Step 4: Simplify right side
8,753,002.68x = 59,025,036,123,170.96 - Step 5: Solve for x
x = 59,025,036,123,170.96/8,753,002.68 - Step 6: Final answer
x = 6,743,404.32
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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.