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Finding the Fourth Proportional to 30,251.56, 41,747.24 and 16,823.68

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Solution

The fourth proportional to 30,251.56, 41,747.24 and 16,823.68 is: 23,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.56 : 41,747.24 = 16,823.68 : x
  2. Step 2: Convert to fraction form
    30,251.56/41,747.24 = 16,823.68/x
  3. Step 3: Cross multiply
    30,251.56x = 41,747.24 × 16,823.68
  4. Step 4: Simplify right side
    30,251.56x = 702,342,206.64
  5. Step 5: Solve for x
    x = 702,342,206.64/30,251.56
  6. Step 6: Final answer
    x = 23,216.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.