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Finding the Fourth Proportional to 63,107.89, 94,659.09 and 15,723.19

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Solution

The fourth proportional to 63,107.89, 94,659.09 and 15,723.19 is: 23,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,107.89 : 94,659.09 = 15,723.19 : x
  2. Step 2: Convert to fraction form
    63,107.89/94,659.09 = 15,723.19/x
  3. Step 3: Cross multiply
    63,107.89x = 94,659.09 × 15,723.19
  4. Step 4: Simplify right side
    63,107.89x = 1,488,342,857.30
  5. Step 5: Solve for x
    x = 1,488,342,857.30/63,107.89
  6. Step 6: Final answer
    x = 23,584.10

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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.