Finding the Fourth Proportional to 5,529,246.48, 7,612,995.34 and 4,700,689.68
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Solution
The fourth proportional to 5,529,246.48, 7,612,995.34 and 4,700,689.68 is: 6,472,189.07
Step by Step Solution
- Step 1: Write the proportion equation
5,529,246.48 : 7,612,995.34 = 4,700,689.68 : x - Step 2: Convert to fraction form
5,529,246.48/7,612,995.34 = 4,700,689.68/x - Step 3: Cross multiply
5,529,246.48x = 7,612,995.34 × 4,700,689.68 - Step 4: Simplify right side
5,529,246.48x = 35,786,328,628,626.09 - Step 5: Solve for x
x = 35,786,328,628,626.09/5,529,246.48 - Step 6: Final answer
x = 6,472,189.07
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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.