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Finding the Fourth Proportional to 26,373.92, 39,576 and 10,791.68

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Solution

The fourth proportional to 26,373.92, 39,576 and 10,791.68 is: 16,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,373.92 : 39,576 = 10,791.68 : x
  2. Step 2: Convert to fraction form
    26,373.92/39,576 = 10,791.68/x
  3. Step 3: Cross multiply
    26,373.92x = 39,576 × 10,791.68
  4. Step 4: Simplify right side
    26,373.92x = 427,091,527.68
  5. Step 5: Solve for x
    x = 427,091,527.68/26,373.92
  6. Step 6: Final answer
    x = 16,193.71

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1.5x scale

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.