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Finding the Fourth Proportional to 16,929.24, 25,399.93 and 7,568.47

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Solution

The fourth proportional to 16,929.24, 25,399.93 and 7,568.47 is: 11,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.24 : 25,399.93 = 7,568.47 : x
  2. Step 2: Convert to fraction form
    16,929.24/25,399.93 = 7,568.47/x
  3. Step 3: Cross multiply
    16,929.24x = 25,399.93 × 7,568.47
  4. Step 4: Simplify right side
    16,929.24x = 192,238,608.21
  5. Step 5: Solve for x
    x = 192,238,608.21/16,929.24
  6. Step 6: Final answer
    x = 11,355.42

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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.