Finding the Fourth Proportional to 5,783,687.98, 8,623,824.20 and 5,624,785.03
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Solution
The fourth proportional to 5,783,687.98, 8,623,824.20 and 5,624,785.03 is: 8,386,890.41
Step by Step Solution
- Step 1: Write the proportion equation
5,783,687.98 : 8,623,824.20 = 5,624,785.03 : x - Step 2: Convert to fraction form
5,783,687.98/8,623,824.20 = 5,624,785.03/x - Step 3: Cross multiply
5,783,687.98x = 8,623,824.20 × 5,624,785.03 - Step 4: Simplify right side
5,783,687.98x = 48,507,157,261,511.73 - Step 5: Solve for x
x = 48,507,157,261,511.73/5,783,687.98 - Step 6: Final answer
x = 8,386,890.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.