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Finding the Fourth Proportional to 57,949.38, 79,956.44 and 32,798.88

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Solution

The fourth proportional to 57,949.38, 79,956.44 and 32,798.88 is: 45,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,949.38 : 79,956.44 = 32,798.88 : x
  2. Step 2: Convert to fraction form
    57,949.38/79,956.44 = 32,798.88/x
  3. Step 3: Cross multiply
    57,949.38x = 79,956.44 × 32,798.88
  4. Step 4: Simplify right side
    57,949.38x = 2,622,481,516.79
  5. Step 5: Solve for x
    x = 2,622,481,516.79/57,949.38
  6. Step 6: Final answer
    x = 45,254.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.