Finding the Fourth Proportional to 5,451,686.70, 8,177,530.05 and 5,346,710.70
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Solution
The fourth proportional to 5,451,686.70, 8,177,530.05 and 5,346,710.70 is: 8,020,066.05
Step by Step Solution
- Step 1: Write the proportion equation
5,451,686.70 : 8,177,530.05 = 5,346,710.70 : x - Step 2: Convert to fraction form
5,451,686.70/8,177,530.05 = 5,346,710.70/x - Step 3: Cross multiply
5,451,686.70x = 8,177,530.05 × 5,346,710.70 - Step 4: Simplify right side
5,451,686.70x = 43,722,887,417,906.54 - Step 5: Solve for x
x = 43,722,887,417,906.54/5,451,686.70 - Step 6: Final answer
x = 8,020,066.05
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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.