Finding the Fourth Proportional to 19,232, 28,848 and 4,640
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Solution
The fourth proportional to 19,232, 28,848 and 4,640 is: 6,960
Step by Step Solution
- Step 1: Write the proportion equation
19,232 : 28,848 = 4,640 : x - Step 2: Convert to fraction form
19,232/28,848 = 4,640/x - Step 3: Cross multiply
19,232x = 28,848 × 4,640 - Step 4: Simplify right side
19,232x = 133,854,720 - Step 5: Solve for x
x = 133,854,720/19,232 - Step 6: Final answer
x = 6,960
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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.