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Finding the Fourth Proportional to 41,285.80, 61,928.70 and 29,708.20

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Solution

The fourth proportional to 41,285.80, 61,928.70 and 29,708.20 is: 44,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,285.80 : 61,928.70 = 29,708.20 : x
  2. Step 2: Convert to fraction form
    41,285.80/61,928.70 = 29,708.20/x
  3. Step 3: Cross multiply
    41,285.80x = 61,928.70 × 29,708.20
  4. Step 4: Simplify right side
    41,285.80x = 1,839,790,205.34
  5. Step 5: Solve for x
    x = 1,839,790,205.34/41,285.80
  6. Step 6: Final answer
    x = 44,562.30

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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.