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Finding the Fourth Proportional to 16,882.88, 25,321.40 and 4,568

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Solution

The fourth proportional to 16,882.88, 25,321.40 and 4,568 is: 6,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,882.88 : 25,321.40 = 4,568 : x
  2. Step 2: Convert to fraction form
    16,882.88/25,321.40 = 4,568/x
  3. Step 3: Cross multiply
    16,882.88x = 25,321.40 × 4,568
  4. Step 4: Simplify right side
    16,882.88x = 115,668,155.20
  5. Step 5: Solve for x
    x = 115,668,155.20/16,882.88
  6. Step 6: Final answer
    x = 6,851.21

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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.