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Finding the Fourth Proportional to 43,881.80, 65,768.70 and 29,841.80

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Solution

The fourth proportional to 43,881.80, 65,768.70 and 29,841.80 is: 44,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,881.80 : 65,768.70 = 29,841.80 : x
  2. Step 2: Convert to fraction form
    43,881.80/65,768.70 = 29,841.80/x
  3. Step 3: Cross multiply
    43,881.80x = 65,768.70 × 29,841.80
  4. Step 4: Simplify right side
    43,881.80x = 1,962,656,391.66
  5. Step 5: Solve for x
    x = 1,962,656,391.66/43,881.80
  6. Step 6: Final answer
    x = 44,725.98

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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.