Finding the Fourth Proportional to 1,299.56, 1,949.50 and 529.96
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Solution
The fourth proportional to 1,299.56, 1,949.50 and 529.96 is: 795.01
Step by Step Solution
- Step 1: Write the proportion equation
1,299.56 : 1,949.50 = 529.96 : x - Step 2: Convert to fraction form
1,299.56/1,949.50 = 529.96/x - Step 3: Cross multiply
1,299.56x = 1,949.50 × 529.96 - Step 4: Simplify right side
1,299.56x = 1,033,157.02 - Step 5: Solve for x
x = 1,033,157.02/1,299.56 - Step 6: Final answer
x = 795.01
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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.