Finding the Fourth Proportional to 7,163,674.80, 10,745,512.20 and 2,435,866.80
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Solution
The fourth proportional to 7,163,674.80, 10,745,512.20 and 2,435,866.80 is: 3,653,800.20
Step by Step Solution
- Step 1: Write the proportion equation
7,163,674.80 : 10,745,512.20 = 2,435,866.80 : x - Step 2: Convert to fraction form
7,163,674.80/10,745,512.20 = 2,435,866.80/x - Step 3: Cross multiply
7,163,674.80x = 10,745,512.20 × 2,435,866.80 - Step 4: Simplify right side
7,163,674.80x = 26,174,636,416,974.96 - Step 5: Solve for x
x = 26,174,636,416,974.96/7,163,674.80 - Step 6: Final answer
x = 3,653,800.20
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1.5x scale
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.