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Finding the Fourth Proportional to 17,052.60, 25,518.06 and 11,788.68

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Solution

The fourth proportional to 17,052.60, 25,518.06 and 11,788.68 is: 17,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,052.60 : 25,518.06 = 11,788.68 : x
  2. Step 2: Convert to fraction form
    17,052.60/25,518.06 = 11,788.68/x
  3. Step 3: Cross multiply
    17,052.60x = 25,518.06 × 11,788.68
  4. Step 4: Simplify right side
    17,052.60x = 300,824,243.56
  5. Step 5: Solve for x
    x = 300,824,243.56/17,052.60
  6. Step 6: Final answer
    x = 17,640.96

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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.