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Finding the Fourth Proportional to 60,579.38, 90,873.93 and 19,026.38

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Solution

The fourth proportional to 60,579.38, 90,873.93 and 19,026.38 is: 28,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,579.38 : 90,873.93 = 19,026.38 : x
  2. Step 2: Convert to fraction form
    60,579.38/90,873.93 = 19,026.38/x
  3. Step 3: Cross multiply
    60,579.38x = 90,873.93 × 19,026.38
  4. Step 4: Simplify right side
    60,579.38x = 1,729,001,469.90
  5. Step 5: Solve for x
    x = 1,729,001,469.90/60,579.38
  6. Step 6: Final answer
    x = 28,541.09

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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.