Finding the Fourth Proportional to 42,381.76, 63,583.40 and 29,926
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Solution
The fourth proportional to 42,381.76, 63,583.40 and 29,926 is: 44,896.60
Step by Step Solution
- Step 1: Write the proportion equation
42,381.76 : 63,583.40 = 29,926 : x - Step 2: Convert to fraction form
42,381.76/63,583.40 = 29,926/x - Step 3: Cross multiply
42,381.76x = 63,583.40 × 29,926 - Step 4: Simplify right side
42,381.76x = 1,902,796,828.40 - Step 5: Solve for x
x = 1,902,796,828.40/42,381.76 - Step 6: Final answer
x = 44,896.60
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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.