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Finding the Fourth Proportional to 24,361.86, 36,446.67 and 18,772.86

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Solution

The fourth proportional to 24,361.86, 36,446.67 and 18,772.86 is: 28,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,361.86 : 36,446.67 = 18,772.86 : x
  2. Step 2: Convert to fraction form
    24,361.86/36,446.67 = 18,772.86/x
  3. Step 3: Cross multiply
    24,361.86x = 36,446.67 × 18,772.86
  4. Step 4: Simplify right side
    24,361.86x = 684,208,233.38
  5. Step 5: Solve for x
    x = 684,208,233.38/24,361.86
  6. Step 6: Final answer
    x = 28,085.22

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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.