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Finding the Fourth Proportional to 15,446.80, 23,161.56 and 5,057.68

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Solution

The fourth proportional to 15,446.80, 23,161.56 and 5,057.68 is: 7,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.80 : 23,161.56 = 5,057.68 : x
  2. Step 2: Convert to fraction form
    15,446.80/23,161.56 = 5,057.68/x
  3. Step 3: Cross multiply
    15,446.80x = 23,161.56 × 5,057.68
  4. Step 4: Simplify right side
    15,446.80x = 117,143,758.78
  5. Step 5: Solve for x
    x = 117,143,758.78/15,446.80
  6. Step 6: Final answer
    x = 7,583.69

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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.