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Finding the Fourth Proportional to 55,956.65, 83,893.06 and 33,764.78

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Solution

The fourth proportional to 55,956.65, 83,893.06 and 33,764.78 is: 50,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956.65 : 83,893.06 = 33,764.78 : x
  2. Step 2: Convert to fraction form
    55,956.65/83,893.06 = 33,764.78/x
  3. Step 3: Cross multiply
    55,956.65x = 83,893.06 × 33,764.78
  4. Step 4: Simplify right side
    55,956.65x = 2,832,630,714.43
  5. Step 5: Solve for x
    x = 2,832,630,714.43/55,956.65
  6. Step 6: Final answer
    x = 50,621.88

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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.