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Finding the Fourth Proportional to 24,338.98, 36,495.39 and 12,487.87

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Solution

The fourth proportional to 24,338.98, 36,495.39 and 12,487.87 is: 18,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,338.98 : 36,495.39 = 12,487.87 : x
  2. Step 2: Convert to fraction form
    24,338.98/36,495.39 = 12,487.87/x
  3. Step 3: Cross multiply
    24,338.98x = 36,495.39 × 12,487.87
  4. Step 4: Simplify right side
    24,338.98x = 455,749,685.92
  5. Step 5: Solve for x
    x = 455,749,685.92/24,338.98
  6. Step 6: Final answer
    x = 18,725.09

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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.