Finding the Fourth Proportional to 71,228.81, 106,848.84 and 23,844.19
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Solution
The fourth proportional to 71,228.81, 106,848.84 and 23,844.19 is: 35,768.17
Step by Step Solution
- Step 1: Write the proportion equation
71,228.81 : 106,848.84 = 23,844.19 : x - Step 2: Convert to fraction form
71,228.81/106,848.84 = 23,844.19/x - Step 3: Cross multiply
71,228.81x = 106,848.84 × 23,844.19 - Step 4: Simplify right side
71,228.81x = 2,547,724,042.24 - Step 5: Solve for x
x = 2,547,724,042.24/71,228.81 - Step 6: Final answer
x = 35,768.17
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1.5x scale
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.