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Finding the Fourth Proportional to 41,705.76, 62,564.79 and 12,119.76

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Solution

The fourth proportional to 41,705.76, 62,564.79 and 12,119.76 is: 18,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,705.76 : 62,564.79 = 12,119.76 : x
  2. Step 2: Convert to fraction form
    41,705.76/62,564.79 = 12,119.76/x
  3. Step 3: Cross multiply
    41,705.76x = 62,564.79 × 12,119.76
  4. Step 4: Simplify right side
    41,705.76x = 758,270,239.25
  5. Step 5: Solve for x
    x = 758,270,239.25/41,705.76
  6. Step 6: Final answer
    x = 18,181.43

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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.