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Finding the Fourth Proportional to 15,179.18, 22,773.23 and 7,788.80

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Solution

The fourth proportional to 15,179.18, 22,773.23 and 7,788.80 is: 11,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.18 : 22,773.23 = 7,788.80 : x
  2. Step 2: Convert to fraction form
    15,179.18/22,773.23 = 7,788.80/x
  3. Step 3: Cross multiply
    15,179.18x = 22,773.23 × 7,788.80
  4. Step 4: Simplify right side
    15,179.18x = 177,375,981.01
  5. Step 5: Solve for x
    x = 177,375,981.01/15,179.18
  6. Step 6: Final answer
    x = 11,685.48

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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.