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Finding the Fourth Proportional to 63,842.68, 95,763.76 and 19,469.30

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Solution

The fourth proportional to 63,842.68, 95,763.76 and 19,469.30 is: 29,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,842.68 : 95,763.76 = 19,469.30 : x
  2. Step 2: Convert to fraction form
    63,842.68/95,763.76 = 19,469.30/x
  3. Step 3: Cross multiply
    63,842.68x = 95,763.76 × 19,469.30
  4. Step 4: Simplify right side
    63,842.68x = 1,864,453,852.38
  5. Step 5: Solve for x
    x = 1,864,453,852.38/63,842.68
  6. Step 6: Final answer
    x = 29,203.88

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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.