Finding the Fourth Proportional to 28,936, 43,404 and 7,048
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Solution
The fourth proportional to 28,936, 43,404 and 7,048 is: 10,572
Step by Step Solution
- Step 1: Write the proportion equation
28,936 : 43,404 = 7,048 : x - Step 2: Convert to fraction form
28,936/43,404 = 7,048/x - Step 3: Cross multiply
28,936x = 43,404 × 7,048 - Step 4: Simplify right side
28,936x = 305,911,392 - Step 5: Solve for x
x = 305,911,392/28,936 - Step 6: Final answer
x = 10,572
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.