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Finding the Fourth Proportional to 22,654.37, 33,981.59 and 8,611.11

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Solution

The fourth proportional to 22,654.37, 33,981.59 and 8,611.11 is: 12,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,654.37 : 33,981.59 = 8,611.11 : x
  2. Step 2: Convert to fraction form
    22,654.37/33,981.59 = 8,611.11/x
  3. Step 3: Cross multiply
    22,654.37x = 33,981.59 × 8,611.11
  4. Step 4: Simplify right side
    22,654.37x = 292,619,230.99
  5. Step 5: Solve for x
    x = 292,619,230.99/22,654.37
  6. Step 6: Final answer
    x = 12,916.68

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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.