Finding the Fourth Proportional to 45,312.32, 67,968.48 and 14,150
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Solution
The fourth proportional to 45,312.32, 67,968.48 and 14,150 is: 21,225
Step by Step Solution
- Step 1: Write the proportion equation
45,312.32 : 67,968.48 = 14,150 : x - Step 2: Convert to fraction form
45,312.32/67,968.48 = 14,150/x - Step 3: Cross multiply
45,312.32x = 67,968.48 × 14,150 - Step 4: Simplify right side
45,312.32x = 961,753,992 - Step 5: Solve for x
x = 961,753,992/45,312.32 - Step 6: Final answer
x = 21,225
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.