Finding the Fourth Proportional to 55,371.36, 82,923.12 and 38,748
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Solution
The fourth proportional to 55,371.36, 82,923.12 and 38,748 is: 58,028.28
Step by Step Solution
- Step 1: Write the proportion equation
55,371.36 : 82,923.12 = 38,748 : x - Step 2: Convert to fraction form
55,371.36/82,923.12 = 38,748/x - Step 3: Cross multiply
55,371.36x = 82,923.12 × 38,748 - Step 4: Simplify right side
55,371.36x = 3,213,105,053.76 - Step 5: Solve for x
x = 3,213,105,053.76/55,371.36 - Step 6: Final answer
x = 58,028.28
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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.