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Finding the Fourth Proportional to 63,974.04, 95,958.29 and 21,857.88

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Solution

The fourth proportional to 63,974.04, 95,958.29 and 21,857.88 is: 32,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,974.04 : 95,958.29 = 21,857.88 : x
  2. Step 2: Convert to fraction form
    63,974.04/95,958.29 = 21,857.88/x
  3. Step 3: Cross multiply
    63,974.04x = 95,958.29 × 21,857.88
  4. Step 4: Simplify right side
    63,974.04x = 2,097,444,842.47
  5. Step 5: Solve for x
    x = 2,097,444,842.47/63,974.04
  6. Step 6: Final answer
    x = 32,785.87

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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.