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Finding the Fourth Proportional to 12,967.27, 17,893.79 and 7,378.27

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Solution

The fourth proportional to 12,967.27, 17,893.79 and 7,378.27 is: 10,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.27 : 17,893.79 = 7,378.27 : x
  2. Step 2: Convert to fraction form
    12,967.27/17,893.79 = 7,378.27/x
  3. Step 3: Cross multiply
    12,967.27x = 17,893.79 × 7,378.27
  4. Step 4: Simplify right side
    12,967.27x = 132,025,177.05
  5. Step 5: Solve for x
    x = 132,025,177.05/12,967.27
  6. Step 6: Final answer
    x = 10,181.42

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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.