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Finding the Fourth Proportional to 41,609.84, 62,414.78 and 13,907.84

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Solution

The fourth proportional to 41,609.84, 62,414.78 and 13,907.84 is: 20,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,609.84 : 62,414.78 = 13,907.84 : x
  2. Step 2: Convert to fraction form
    41,609.84/62,414.78 = 13,907.84/x
  3. Step 3: Cross multiply
    41,609.84x = 62,414.78 × 13,907.84
  4. Step 4: Simplify right side
    41,609.84x = 868,054,392.26
  5. Step 5: Solve for x
    x = 868,054,392.26/41,609.84
  6. Step 6: Final answer
    x = 20,861.76

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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.