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Finding the Fourth Proportional to 15,310.92, 22,968 and 5,451.12

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Solution

The fourth proportional to 15,310.92, 22,968 and 5,451.12 is: 8,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.92 : 22,968 = 5,451.12 : x
  2. Step 2: Convert to fraction form
    15,310.92/22,968 = 5,451.12/x
  3. Step 3: Cross multiply
    15,310.92x = 22,968 × 5,451.12
  4. Step 4: Simplify right side
    15,310.92x = 125,201,324.16
  5. Step 5: Solve for x
    x = 125,201,324.16/15,310.92
  6. Step 6: Final answer
    x = 8,177.26

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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.