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Finding the Fourth Proportional to 27,201.78, 40,806.78 and 9,667.44

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Solution

The fourth proportional to 27,201.78, 40,806.78 and 9,667.44 is: 14,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201.78 : 40,806.78 = 9,667.44 : x
  2. Step 2: Convert to fraction form
    27,201.78/40,806.78 = 9,667.44/x
  3. Step 3: Cross multiply
    27,201.78x = 40,806.78 × 9,667.44
  4. Step 4: Simplify right side
    27,201.78x = 394,497,097.24
  5. Step 5: Solve for x
    x = 394,497,097.24/27,201.78
  6. Step 6: Final answer
    x = 14,502.62

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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.