Finding the Fourth Proportional to 7,450,133.62, 10,278,873.80 and 4,350,420.95
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Solution
The fourth proportional to 7,450,133.62, 10,278,873.80 and 4,350,420.95 is: 6,002,231.67
Step by Step Solution
- Step 1: Write the proportion equation
7,450,133.62 : 10,278,873.80 = 4,350,420.95 : x - Step 2: Convert to fraction form
7,450,133.62/10,278,873.80 = 4,350,420.95/x - Step 3: Cross multiply
7,450,133.62x = 10,278,873.80 × 4,350,420.95 - Step 4: Simplify right side
7,450,133.62x = 44,717,427,935,145.76 - Step 5: Solve for x
x = 44,717,427,935,145.76/7,450,133.62 - Step 6: Final answer
x = 6,002,231.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.