Finding the Fourth Proportional to 75,606.41, 113,409.45 and 22,335.79
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Solution
The fourth proportional to 75,606.41, 113,409.45 and 22,335.79 is: 33,503.64
Step by Step Solution
- Step 1: Write the proportion equation
75,606.41 : 113,409.45 = 22,335.79 : x - Step 2: Convert to fraction form
75,606.41/113,409.45 = 22,335.79/x - Step 3: Cross multiply
75,606.41x = 113,409.45 × 22,335.79 - Step 4: Simplify right side
75,606.41x = 2,533,089,630.21 - Step 5: Solve for x
x = 2,533,089,630.21/75,606.41 - Step 6: Final answer
x = 33,503.64
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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.