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Finding the Fourth Proportional to 26,648.44, 39,974.39 and 8,878.34

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Solution

The fourth proportional to 26,648.44, 39,974.39 and 8,878.34 is: 13,318.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.44 : 39,974.39 = 8,878.34 : x
  2. Step 2: Convert to fraction form
    26,648.44/39,974.39 = 8,878.34/x
  3. Step 3: Cross multiply
    26,648.44x = 39,974.39 × 8,878.34
  4. Step 4: Simplify right side
    26,648.44x = 354,906,225.71
  5. Step 5: Solve for x
    x = 354,906,225.71/26,648.44
  6. Step 6: Final answer
    x = 13,318.09

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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.