Finding the Fourth Proportional to 69,980.74, 104,967.92 and 22,598.02
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Solution
The fourth proportional to 69,980.74, 104,967.92 and 22,598.02 is: 33,895.99
Step by Step Solution
- Step 1: Write the proportion equation
69,980.74 : 104,967.92 = 22,598.02 : x - Step 2: Convert to fraction form
69,980.74/104,967.92 = 22,598.02/x - Step 3: Cross multiply
69,980.74x = 104,967.92 × 22,598.02 - Step 4: Simplify right side
69,980.74x = 2,372,066,517.69 - Step 5: Solve for x
x = 2,372,066,517.69/69,980.74 - Step 6: Final answer
x = 33,895.99
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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.