Finding the Fourth Proportional to 5,472,700.70, 8,209,051.05 and 1,483,612.70
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Solution
The fourth proportional to 5,472,700.70, 8,209,051.05 and 1,483,612.70 is: 2,225,419.05
Step by Step Solution
- Step 1: Write the proportion equation
5,472,700.70 : 8,209,051.05 = 1,483,612.70 : x - Step 2: Convert to fraction form
5,472,700.70/8,209,051.05 = 1,483,612.70/x - Step 3: Cross multiply
5,472,700.70x = 8,209,051.05 × 1,483,612.70 - Step 4: Simplify right side
5,472,700.70x = 12,179,052,392,728.33 - Step 5: Solve for x
x = 12,179,052,392,728.33/5,472,700.70 - Step 6: Final answer
x = 2,225,419.05
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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.