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Finding the Fourth Proportional to 44,873.92, 67,311.96 and 21,474.64

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Solution

The fourth proportional to 44,873.92, 67,311.96 and 21,474.64 is: 32,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,873.92 : 67,311.96 = 21,474.64 : x
  2. Step 2: Convert to fraction form
    44,873.92/67,311.96 = 21,474.64/x
  3. Step 3: Cross multiply
    44,873.92x = 67,311.96 × 21,474.64
  4. Step 4: Simplify right side
    44,873.92x = 1,445,500,108.69
  5. Step 5: Solve for x
    x = 1,445,500,108.69/44,873.92
  6. Step 6: Final answer
    x = 32,212.48

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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.