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Finding the Fourth Proportional to 41,996.56, 62,995.72 and 12,414.40

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Solution

The fourth proportional to 41,996.56, 62,995.72 and 12,414.40 is: 18,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,996.56 : 62,995.72 = 12,414.40 : x
  2. Step 2: Convert to fraction form
    41,996.56/62,995.72 = 12,414.40/x
  3. Step 3: Cross multiply
    41,996.56x = 62,995.72 × 12,414.40
  4. Step 4: Simplify right side
    41,996.56x = 782,054,066.37
  5. Step 5: Solve for x
    x = 782,054,066.37/41,996.56
  6. Step 6: Final answer
    x = 18,621.86

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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.