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Finding the Fourth Proportional to 27,076.40, 40,614.60 and 26,687.60

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Solution

The fourth proportional to 27,076.40, 40,614.60 and 26,687.60 is: 40,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.40 : 40,614.60 = 26,687.60 : x
  2. Step 2: Convert to fraction form
    27,076.40/40,614.60 = 26,687.60/x
  3. Step 3: Cross multiply
    27,076.40x = 40,614.60 × 26,687.60
  4. Step 4: Simplify right side
    27,076.40x = 1,083,906,198.96
  5. Step 5: Solve for x
    x = 1,083,906,198.96/27,076.40
  6. Step 6: Final answer
    x = 40,031.40

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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.