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Finding the Fourth Proportional to 22,794.70, 34,171.77 and 12,270.40

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Solution

The fourth proportional to 22,794.70, 34,171.77 and 12,270.40 is: 18,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,794.70 : 34,171.77 = 12,270.40 : x
  2. Step 2: Convert to fraction form
    22,794.70/34,171.77 = 12,270.40/x
  3. Step 3: Cross multiply
    22,794.70x = 34,171.77 × 12,270.40
  4. Step 4: Simplify right side
    22,794.70x = 419,301,286.61
  5. Step 5: Solve for x
    x = 419,301,286.61/22,794.70
  6. Step 6: Final answer
    x = 18,394.68

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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.