Finding the Fourth Proportional to 5,486,412.70, 8,229,619.05 and 3,573,225.10
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Solution
The fourth proportional to 5,486,412.70, 8,229,619.05 and 3,573,225.10 is: 5,359,837.65
Step by Step Solution
- Step 1: Write the proportion equation
5,486,412.70 : 8,229,619.05 = 3,573,225.10 : x - Step 2: Convert to fraction form
5,486,412.70/8,229,619.05 = 3,573,225.10/x - Step 3: Cross multiply
5,486,412.70x = 8,229,619.05 × 3,573,225.10 - Step 4: Simplify right side
5,486,412.70x = 29,406,281,352,898.16 - Step 5: Solve for x
x = 29,406,281,352,898.16/5,486,412.70 - Step 6: Final answer
x = 5,359,837.65
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Double scale
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Similar ratio
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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.