Finding the Fourth Proportional to 8,352,801.80, 12,529,202.70 and 5,698,593.80
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Solution
The fourth proportional to 8,352,801.80, 12,529,202.70 and 5,698,593.80 is: 8,547,890.70
Step by Step Solution
- Step 1: Write the proportion equation
8,352,801.80 : 12,529,202.70 = 5,698,593.80 : x - Step 2: Convert to fraction form
8,352,801.80/12,529,202.70 = 5,698,593.80/x - Step 3: Cross multiply
8,352,801.80x = 12,529,202.70 × 5,698,593.80 - Step 4: Simplify right side
8,352,801.80x = 71,398,836,825,163.25 - Step 5: Solve for x
x = 71,398,836,825,163.25/8,352,801.80 - Step 6: Final answer
x = 8,547,890.70
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Double scale
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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.