Finding the Fourth Proportional to 42,025.48, 63,043.14 and 13,948
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Solution
The fourth proportional to 42,025.48, 63,043.14 and 13,948 is: 20,923.63
Step by Step Solution
- Step 1: Write the proportion equation
42,025.48 : 63,043.14 = 13,948 : x - Step 2: Convert to fraction form
42,025.48/63,043.14 = 13,948/x - Step 3: Cross multiply
42,025.48x = 63,043.14 × 13,948 - Step 4: Simplify right side
42,025.48x = 879,325,716.72 - Step 5: Solve for x
x = 879,325,716.72/42,025.48 - Step 6: Final answer
x = 20,923.63
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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.