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Finding the Fourth Proportional to 23,287.44, 34,920.43 and 7,489.54

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Solution

The fourth proportional to 23,287.44, 34,920.43 and 7,489.54 is: 11,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,287.44 : 34,920.43 = 7,489.54 : x
  2. Step 2: Convert to fraction form
    23,287.44/34,920.43 = 7,489.54/x
  3. Step 3: Cross multiply
    23,287.44x = 34,920.43 × 7,489.54
  4. Step 4: Simplify right side
    23,287.44x = 261,537,957.30
  5. Step 5: Solve for x
    x = 261,537,957.30/23,287.44
  6. Step 6: Final answer
    x = 11,230.86

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1.5x scale

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.