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Finding the Fourth Proportional to 57,981.77, 86,997.41 and 24,717.50

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Solution

The fourth proportional to 57,981.77, 86,997.41 and 24,717.50 is: 37,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981.77 : 86,997.41 = 24,717.50 : x
  2. Step 2: Convert to fraction form
    57,981.77/86,997.41 = 24,717.50/x
  3. Step 3: Cross multiply
    57,981.77x = 86,997.41 × 24,717.50
  4. Step 4: Simplify right side
    57,981.77x = 2,150,358,342.03
  5. Step 5: Solve for x
    x = 2,150,358,342.03/57,981.77
  6. Step 6: Final answer
    x = 37,086.80

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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.