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Finding the Fourth Proportional to 26,616.60, 39,918.09 and 7,892.27

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Solution

The fourth proportional to 26,616.60, 39,918.09 and 7,892.27 is: 11,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.60 : 39,918.09 = 7,892.27 : x
  2. Step 2: Convert to fraction form
    26,616.60/39,918.09 = 7,892.27/x
  3. Step 3: Cross multiply
    26,616.60x = 39,918.09 × 7,892.27
  4. Step 4: Simplify right side
    26,616.60x = 315,044,144.57
  5. Step 5: Solve for x
    x = 315,044,144.57/26,616.60
  6. Step 6: Final answer
    x = 11,836.38

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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.