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Finding the Fourth Proportional to 26,634.66, 39,958.49 and 8,865.29

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Solution

The fourth proportional to 26,634.66, 39,958.49 and 8,865.29 is: 13,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,634.66 : 39,958.49 = 8,865.29 : x
  2. Step 2: Convert to fraction form
    26,634.66/39,958.49 = 8,865.29/x
  3. Step 3: Cross multiply
    26,634.66x = 39,958.49 × 8,865.29
  4. Step 4: Simplify right side
    26,634.66x = 354,243,402.02
  5. Step 5: Solve for x
    x = 354,243,402.02/26,634.66
  6. Step 6: Final answer
    x = 13,300.09

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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.