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Finding the Fourth Proportional to 44,425.96, 66,629.10 and 12,829.14

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Solution

The fourth proportional to 44,425.96, 66,629.10 and 12,829.14 is: 19,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,425.96 : 66,629.10 = 12,829.14 : x
  2. Step 2: Convert to fraction form
    44,425.96/66,629.10 = 12,829.14/x
  3. Step 3: Cross multiply
    44,425.96x = 66,629.10 × 12,829.14
  4. Step 4: Simplify right side
    44,425.96x = 854,794,051.97
  5. Step 5: Solve for x
    x = 854,794,051.97/44,425.96
  6. Step 6: Final answer
    x = 19,240.87

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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.