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Finding the Fourth Proportional to 24,353.86, 36,434.67 and 18,764.86

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Solution

The fourth proportional to 24,353.86, 36,434.67 and 18,764.86 is: 28,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,353.86 : 36,434.67 = 18,764.86 : x
  2. Step 2: Convert to fraction form
    24,353.86/36,434.67 = 18,764.86/x
  3. Step 3: Cross multiply
    24,353.86x = 36,434.67 × 18,764.86
  4. Step 4: Simplify right side
    24,353.86x = 683,691,481.70
  5. Step 5: Solve for x
    x = 683,691,481.70/24,353.86
  6. Step 6: Final answer
    x = 28,073.23

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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.