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Finding the Fourth Proportional to 26,943.30, 40,416.77 and 8,223.46

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Solution

The fourth proportional to 26,943.30, 40,416.77 and 8,223.46 is: 12,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.30 : 40,416.77 = 8,223.46 : x
  2. Step 2: Convert to fraction form
    26,943.30/40,416.77 = 8,223.46/x
  3. Step 3: Cross multiply
    26,943.30x = 40,416.77 × 8,223.46
  4. Step 4: Simplify right side
    26,943.30x = 332,365,610.94
  5. Step 5: Solve for x
    x = 332,365,610.94/26,943.30
  6. Step 6: Final answer
    x = 12,335.74

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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.