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Finding the Fourth Proportional to 22,511.34, 33,768.45 and 8,660.34

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Solution

The fourth proportional to 22,511.34, 33,768.45 and 8,660.34 is: 12,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.34 : 33,768.45 = 8,660.34 : x
  2. Step 2: Convert to fraction form
    22,511.34/33,768.45 = 8,660.34/x
  3. Step 3: Cross multiply
    22,511.34x = 33,768.45 × 8,660.34
  4. Step 4: Simplify right side
    22,511.34x = 292,446,258.27
  5. Step 5: Solve for x
    x = 292,446,258.27/22,511.34
  6. Step 6: Final answer
    x = 12,991.06

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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.