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Finding the Fourth Proportional to 22,217.76, 33,325.76 and 12,350.80

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Solution

The fourth proportional to 22,217.76, 33,325.76 and 12,350.80 is: 18,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.76 : 33,325.76 = 12,350.80 : x
  2. Step 2: Convert to fraction form
    22,217.76/33,325.76 = 12,350.80/x
  3. Step 3: Cross multiply
    22,217.76x = 33,325.76 × 12,350.80
  4. Step 4: Simplify right side
    22,217.76x = 411,599,796.61
  5. Step 5: Solve for x
    x = 411,599,796.61/22,217.76
  6. Step 6: Final answer
    x = 18,525.71

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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.