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Finding the Fourth Proportional to 22,529.60, 33,765.60 and 10,817.60

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Solution

The fourth proportional to 22,529.60, 33,765.60 and 10,817.60 is: 16,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.60 : 33,765.60 = 10,817.60 : x
  2. Step 2: Convert to fraction form
    22,529.60/33,765.60 = 10,817.60/x
  3. Step 3: Cross multiply
    22,529.60x = 33,765.60 × 10,817.60
  4. Step 4: Simplify right side
    22,529.60x = 365,262,754.56
  5. Step 5: Solve for x
    x = 365,262,754.56/22,529.60
  6. Step 6: Final answer
    x = 16,212.57

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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.