Finding the Fourth Proportional to 5,460,337.80, 8,190,506.70 and 5,460,337.80
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Solution
The fourth proportional to 5,460,337.80, 8,190,506.70 and 5,460,337.80 is: 8,190,506.70
Step by Step Solution
- Step 1: Write the proportion equation
5,460,337.80 : 8,190,506.70 = 5,460,337.80 : x - Step 2: Convert to fraction form
5,460,337.80/8,190,506.70 = 5,460,337.80/x - Step 3: Cross multiply
5,460,337.80x = 8,190,506.70 × 5,460,337.80 - Step 4: Simplify right side
5,460,337.80x = 44,722,933,335,163.26 - Step 5: Solve for x
x = 44,722,933,335,163.26/5,460,337.80 - Step 6: Final answer
x = 8,190,506.70
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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.