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Finding the Fourth Proportional to 22,506.76, 33,764.10 and 8,654.68

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Solution

The fourth proportional to 22,506.76, 33,764.10 and 8,654.68 is: 12,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506.76 : 33,764.10 = 8,654.68 : x
  2. Step 2: Convert to fraction form
    22,506.76/33,764.10 = 8,654.68/x
  3. Step 3: Cross multiply
    22,506.76x = 33,764.10 × 8,654.68
  4. Step 4: Simplify right side
    22,506.76x = 292,217,480.99
  5. Step 5: Solve for x
    x = 292,217,480.99/22,506.76
  6. Step 6: Final answer
    x = 12,983.54

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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.