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Finding the Fourth Proportional to 57,803.03, 86,708.79 and 24,519.32

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Solution

The fourth proportional to 57,803.03, 86,708.79 and 24,519.32 is: 36,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,803.03 : 86,708.79 = 24,519.32 : x
  2. Step 2: Convert to fraction form
    57,803.03/86,708.79 = 24,519.32/x
  3. Step 3: Cross multiply
    57,803.03x = 86,708.79 × 24,519.32
  4. Step 4: Simplify right side
    57,803.03x = 2,126,040,568.82
  5. Step 5: Solve for x
    x = 2,126,040,568.82/57,803.03
  6. Step 6: Final answer
    x = 36,780.78

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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.