Finding the Fourth Proportional to 5,596,410.40, 8,394,615.60 and 5,167,175.20
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Solution
The fourth proportional to 5,596,410.40, 8,394,615.60 and 5,167,175.20 is: 7,750,762.80
Step by Step Solution
- Step 1: Write the proportion equation
5,596,410.40 : 8,394,615.60 = 5,167,175.20 : x - Step 2: Convert to fraction form
5,596,410.40/8,394,615.60 = 5,167,175.20/x - Step 3: Cross multiply
5,596,410.40x = 8,394,615.60 × 5,167,175.20 - Step 4: Simplify right side
5,596,410.40x = 43,376,449,541,853.12 - Step 5: Solve for x
x = 43,376,449,541,853.12/5,596,410.40 - Step 6: Final answer
x = 7,750,762.80
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Double scale
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Similar ratio
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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.