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Finding the Fourth Proportional to 24,490.35, 36,717.03 and 12,631.41

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Solution

The fourth proportional to 24,490.35, 36,717.03 and 12,631.41 is: 18,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,490.35 : 36,717.03 = 12,631.41 : x
  2. Step 2: Convert to fraction form
    24,490.35/36,717.03 = 12,631.41/x
  3. Step 3: Cross multiply
    24,490.35x = 36,717.03 × 12,631.41
  4. Step 4: Simplify right side
    24,490.35x = 463,787,859.91
  5. Step 5: Solve for x
    x = 463,787,859.91/24,490.35
  6. Step 6: Final answer
    x = 18,937.58

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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.