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Finding the Fourth Proportional to 26,491.73, 39,712.88 and 8,949.29

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Solution

The fourth proportional to 26,491.73, 39,712.88 and 8,949.29 is: 13,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.73 : 39,712.88 = 8,949.29 : x
  2. Step 2: Convert to fraction form
    26,491.73/39,712.88 = 8,949.29/x
  3. Step 3: Cross multiply
    26,491.73x = 39,712.88 × 8,949.29
  4. Step 4: Simplify right side
    26,491.73x = 355,401,903.66
  5. Step 5: Solve for x
    x = 355,401,903.66/26,491.73
  6. Step 6: Final answer
    x = 13,415.58

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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.