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Finding the Fourth Proportional to 15,176.73, 22,768.71 and 4,788.48

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Solution

The fourth proportional to 15,176.73, 22,768.71 and 4,788.48 is: 7,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.73 : 22,768.71 = 4,788.48 : x
  2. Step 2: Convert to fraction form
    15,176.73/22,768.71 = 4,788.48/x
  3. Step 3: Cross multiply
    15,176.73x = 22,768.71 × 4,788.48
  4. Step 4: Simplify right side
    15,176.73x = 109,027,512.46
  5. Step 5: Solve for x
    x = 109,027,512.46/15,176.73
  6. Step 6: Final answer
    x = 7,183.86

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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.