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Finding the Fourth Proportional to 22,750.40, 34,151.20 and 17,579.20

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Solution

The fourth proportional to 22,750.40, 34,151.20 and 17,579.20 is: 26,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.40 : 34,151.20 = 17,579.20 : x
  2. Step 2: Convert to fraction form
    22,750.40/34,151.20 = 17,579.20/x
  3. Step 3: Cross multiply
    22,750.40x = 34,151.20 × 17,579.20
  4. Step 4: Simplify right side
    22,750.40x = 600,350,775.04
  5. Step 5: Solve for x
    x = 600,350,775.04/22,750.40
  6. Step 6: Final answer
    x = 26,388.58

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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.