Finding the Fourth Proportional to 4,982,944.05, 7,474,416.08 and 4,888,465.65
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Solution
The fourth proportional to 4,982,944.05, 7,474,416.08 and 4,888,465.65 is: 7,332,698.48
Step by Step Solution
- Step 1: Write the proportion equation
4,982,944.05 : 7,474,416.08 = 4,888,465.65 : x - Step 2: Convert to fraction form
4,982,944.05/7,474,416.08 = 4,888,465.65/x - Step 3: Cross multiply
4,982,944.05x = 7,474,416.08 × 4,888,465.65 - Step 4: Simplify right side
4,982,944.05x = 36,538,426,236,445.33 - Step 5: Solve for x
x = 36,538,426,236,445.33/4,982,944.05 - Step 6: Final answer
x = 7,332,698.48
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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.