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Finding the Fourth Proportional to 16,920.33, 25,395.89 and 9,029.54

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Solution

The fourth proportional to 16,920.33, 25,395.89 and 9,029.54 is: 13,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.33 : 25,395.89 = 9,029.54 : x
  2. Step 2: Convert to fraction form
    16,920.33/25,395.89 = 9,029.54/x
  3. Step 3: Cross multiply
    16,920.33x = 25,395.89 × 9,029.54
  4. Step 4: Simplify right side
    16,920.33x = 229,313,032.46
  5. Step 5: Solve for x
    x = 229,313,032.46/16,920.33
  6. Step 6: Final answer
    x = 13,552.52

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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.