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Finding the Fourth Proportional to 26,993.72, 40,489.13 and 8,273.81

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Solution

The fourth proportional to 26,993.72, 40,489.13 and 8,273.81 is: 12,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.72 : 40,489.13 = 8,273.81 : x
  2. Step 2: Convert to fraction form
    26,993.72/40,489.13 = 8,273.81/x
  3. Step 3: Cross multiply
    26,993.72x = 40,489.13 × 8,273.81
  4. Step 4: Simplify right side
    26,993.72x = 334,999,490.59
  5. Step 5: Solve for x
    x = 334,999,490.59/26,993.72
  6. Step 6: Final answer
    x = 12,410.27

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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.