Finding the Fourth Proportional to 28,437.36, 39,222 and 17,106
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Solution
The fourth proportional to 28,437.36, 39,222 and 17,106 is: 23,593.31
Step by Step Solution
- Step 1: Write the proportion equation
28,437.36 : 39,222 = 17,106 : x - Step 2: Convert to fraction form
28,437.36/39,222 = 17,106/x - Step 3: Cross multiply
28,437.36x = 39,222 × 17,106 - Step 4: Simplify right side
28,437.36x = 670,931,532 - Step 5: Solve for x
x = 670,931,532/28,437.36 - Step 6: Final answer
x = 23,593.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.