Finding the Fourth Proportional to 40,814.20, 56,329.28 and 22,669
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Solution
The fourth proportional to 40,814.20, 56,329.28 and 22,669 is: 31,286.38
Step by Step Solution
- Step 1: Write the proportion equation
40,814.20 : 56,329.28 = 22,669 : x - Step 2: Convert to fraction form
40,814.20/56,329.28 = 22,669/x - Step 3: Cross multiply
40,814.20x = 56,329.28 × 22,669 - Step 4: Simplify right side
40,814.20x = 1,276,928,448.32 - Step 5: Solve for x
x = 1,276,928,448.32/40,814.20 - Step 6: Final answer
x = 31,286.38
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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.