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Finding the Fourth Proportional to 15,169.17, 22,764.01 and 5,308.54

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Solution

The fourth proportional to 15,169.17, 22,764.01 and 5,308.54 is: 7,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.17 : 22,764.01 = 5,308.54 : x
  2. Step 2: Convert to fraction form
    15,169.17/22,764.01 = 5,308.54/x
  3. Step 3: Cross multiply
    15,169.17x = 22,764.01 × 5,308.54
  4. Step 4: Simplify right side
    15,169.17x = 120,843,517.28
  5. Step 5: Solve for x
    x = 120,843,517.28/15,169.17
  6. Step 6: Final answer
    x = 7,966.39

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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.