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Finding the Fourth Proportional to 27,644.96, 41,451.48 and 18,890.48

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Solution

The fourth proportional to 27,644.96, 41,451.48 and 18,890.48 is: 28,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,644.96 : 41,451.48 = 18,890.48 : x
  2. Step 2: Convert to fraction form
    27,644.96/41,451.48 = 18,890.48/x
  3. Step 3: Cross multiply
    27,644.96x = 41,451.48 × 18,890.48
  4. Step 4: Simplify right side
    27,644.96x = 783,038,353.91
  5. Step 5: Solve for x
    x = 783,038,353.91/27,644.96
  6. Step 6: Final answer
    x = 28,324.81

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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.