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Finding the Fourth Proportional to 44,996.40, 67,481.70 and 13,405.14

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Solution

The fourth proportional to 44,996.40, 67,481.70 and 13,405.14 is: 20,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,996.40 : 67,481.70 = 13,405.14 : x
  2. Step 2: Convert to fraction form
    44,996.40/67,481.70 = 13,405.14/x
  3. Step 3: Cross multiply
    44,996.40x = 67,481.70 × 13,405.14
  4. Step 4: Simplify right side
    44,996.40x = 904,601,635.94
  5. Step 5: Solve for x
    x = 904,601,635.94/44,996.40
  6. Step 6: Final answer
    x = 20,103.87

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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.