Finding the Fourth Proportional to 23,680.59, 32,678.98 and 13,069.99
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Solution
The fourth proportional to 23,680.59, 32,678.98 and 13,069.99 is: 18,036.46
Step by Step Solution
- Step 1: Write the proportion equation
23,680.59 : 32,678.98 = 13,069.99 : x - Step 2: Convert to fraction form
23,680.59/32,678.98 = 13,069.99/x - Step 3: Cross multiply
23,680.59x = 32,678.98 × 13,069.99 - Step 4: Simplify right side
23,680.59x = 427,113,941.81 - Step 5: Solve for x
x = 427,113,941.81/23,680.59 - Step 6: Final answer
x = 18,036.46
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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.