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Finding the Fourth Proportional to 11,729.60, 17,579.36 and 4,795.84

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Solution

The fourth proportional to 11,729.60, 17,579.36 and 4,795.84 is: 7,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.60 : 17,579.36 = 4,795.84 : x
  2. Step 2: Convert to fraction form
    11,729.60/17,579.36 = 4,795.84/x
  3. Step 3: Cross multiply
    11,729.60x = 17,579.36 × 4,795.84
  4. Step 4: Simplify right side
    11,729.60x = 84,307,797.86
  5. Step 5: Solve for x
    x = 84,307,797.86/11,729.60
  6. Step 6: Final answer
    x = 7,187.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.