Finding the Fourth Proportional to 69,893.66, 104,860.94 and 22,507.70
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Solution
The fourth proportional to 69,893.66, 104,860.94 and 22,507.70 is: 33,768.14
Step by Step Solution
- Step 1: Write the proportion equation
69,893.66 : 104,860.94 = 22,507.70 : x - Step 2: Convert to fraction form
69,893.66/104,860.94 = 22,507.70/x - Step 3: Cross multiply
69,893.66x = 104,860.94 × 22,507.70 - Step 4: Simplify right side
69,893.66x = 2,360,178,579.24 - Step 5: Solve for x
x = 2,360,178,579.24/69,893.66 - Step 6: Final answer
x = 33,768.14
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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.