Finding the Fourth Proportional to 6,475,104.40, 8,935,589.27 and 3,574,432.99
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Solution
The fourth proportional to 6,475,104.40, 8,935,589.27 and 3,574,432.99 is: 4,932,687.27
Step by Step Solution
- Step 1: Write the proportion equation
6,475,104.40 : 8,935,589.27 = 3,574,432.99 : x - Step 2: Convert to fraction form
6,475,104.40/8,935,589.27 = 3,574,432.99/x - Step 3: Cross multiply
6,475,104.40x = 8,935,589.27 × 3,574,432.99 - Step 4: Simplify right side
6,475,104.40x = 31,939,665,071,778.02 - Step 5: Solve for x
x = 31,939,665,071,778.02/6,475,104.40 - Step 6: Final answer
x = 4,932,687.27
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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.