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Finding the Fourth Proportional to 63,489.83, 95,235.55 and 43,763.09

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Solution

The fourth proportional to 63,489.83, 95,235.55 and 43,763.09 is: 65,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,489.83 : 95,235.55 = 43,763.09 : x
  2. Step 2: Convert to fraction form
    63,489.83/95,235.55 = 43,763.09/x
  3. Step 3: Cross multiply
    63,489.83x = 95,235.55 × 43,763.09
  4. Step 4: Simplify right side
    63,489.83x = 4,167,801,360.26
  5. Step 5: Solve for x
    x = 4,167,801,360.26/63,489.83
  6. Step 6: Final answer
    x = 65,645.19

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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.