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Finding the Fourth Proportional to 16,491.39, 22,757.70 and 8,937.39

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Solution

The fourth proportional to 16,491.39, 22,757.70 and 8,937.39 is: 12,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.39 : 22,757.70 = 8,937.39 : x
  2. Step 2: Convert to fraction form
    16,491.39/22,757.70 = 8,937.39/x
  3. Step 3: Cross multiply
    16,491.39x = 22,757.70 × 8,937.39
  4. Step 4: Simplify right side
    16,491.39x = 203,394,440.40
  5. Step 5: Solve for x
    x = 203,394,440.40/16,491.39
  6. Step 6: Final answer
    x = 12,333.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.