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Finding the Fourth Proportional to 27,251.29, 40,895.54 and 9,481.78

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Solution

The fourth proportional to 27,251.29, 40,895.54 and 9,481.78 is: 14,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.29 : 40,895.54 = 9,481.78 : x
  2. Step 2: Convert to fraction form
    27,251.29/40,895.54 = 9,481.78/x
  3. Step 3: Cross multiply
    27,251.29x = 40,895.54 × 9,481.78
  4. Step 4: Simplify right side
    27,251.29x = 387,762,513.26
  5. Step 5: Solve for x
    x = 387,762,513.26/27,251.29
  6. Step 6: Final answer
    x = 14,229.14

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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.