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Finding the Fourth Proportional to 15,910.28, 23,867.86 and 5,233.28

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Solution

The fourth proportional to 15,910.28, 23,867.86 and 5,233.28 is: 7,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.28 : 23,867.86 = 5,233.28 : x
  2. Step 2: Convert to fraction form
    15,910.28/23,867.86 = 5,233.28/x
  3. Step 3: Cross multiply
    15,910.28x = 23,867.86 × 5,233.28
  4. Step 4: Simplify right side
    15,910.28x = 124,907,194.38
  5. Step 5: Solve for x
    x = 124,907,194.38/15,910.28
  6. Step 6: Final answer
    x = 7,850.72

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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.