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Finding the Fourth Proportional to 44,308.80, 66,495.60 and 29,512.80

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Solution

The fourth proportional to 44,308.80, 66,495.60 and 29,512.80 is: 44,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,308.80 : 66,495.60 = 29,512.80 : x
  2. Step 2: Convert to fraction form
    44,308.80/66,495.60 = 29,512.80/x
  3. Step 3: Cross multiply
    44,308.80x = 66,495.60 × 29,512.80
  4. Step 4: Simplify right side
    44,308.80x = 1,962,471,343.68
  5. Step 5: Solve for x
    x = 1,962,471,343.68/44,308.80
  6. Step 6: Final answer
    x = 44,290.78

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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.