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Finding the Fourth Proportional to 26,949.16, 40,422.30 and 7,227.40

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Solution

The fourth proportional to 26,949.16, 40,422.30 and 7,227.40 is: 10,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949.16 : 40,422.30 = 7,227.40 : x
  2. Step 2: Convert to fraction form
    26,949.16/40,422.30 = 7,227.40/x
  3. Step 3: Cross multiply
    26,949.16x = 40,422.30 × 7,227.40
  4. Step 4: Simplify right side
    26,949.16x = 292,148,131.02
  5. Step 5: Solve for x
    x = 292,148,131.02/26,949.16
  6. Step 6: Final answer
    x = 10,840.71

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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.