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Finding the Fourth Proportional to 24,441.60, 33,729.60 and 13,263.60

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Solution

The fourth proportional to 24,441.60, 33,729.60 and 13,263.60 is: 18,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,441.60 : 33,729.60 = 13,263.60 : x
  2. Step 2: Convert to fraction form
    24,441.60/33,729.60 = 13,263.60/x
  3. Step 3: Cross multiply
    24,441.60x = 33,729.60 × 13,263.60
  4. Step 4: Simplify right side
    24,441.60x = 447,375,922.56
  5. Step 5: Solve for x
    x = 447,375,922.56/24,441.60
  6. Step 6: Final answer
    x = 18,303.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.