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Finding the Fourth Proportional to 44,761.88, 67,128.48 and 14,769.41

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Solution

The fourth proportional to 44,761.88, 67,128.48 and 14,769.41 is: 22,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,761.88 : 67,128.48 = 14,769.41 : x
  2. Step 2: Convert to fraction form
    44,761.88/67,128.48 = 14,769.41/x
  3. Step 3: Cross multiply
    44,761.88x = 67,128.48 × 14,769.41
  4. Step 4: Simplify right side
    44,761.88x = 991,447,708.15
  5. Step 5: Solve for x
    x = 991,447,708.15/44,761.88
  6. Step 6: Final answer
    x = 22,149.38

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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.