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Finding the Fourth Proportional to 26,845.25, 40,250.11 and 12,807.45

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Solution

The fourth proportional to 26,845.25, 40,250.11 and 12,807.45 is: 19,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.25 : 40,250.11 = 12,807.45 : x
  2. Step 2: Convert to fraction form
    26,845.25/40,250.11 = 12,807.45/x
  3. Step 3: Cross multiply
    26,845.25x = 40,250.11 × 12,807.45
  4. Step 4: Simplify right side
    26,845.25x = 515,501,114.09
  5. Step 5: Solve for x
    x = 515,501,114.09/26,845.25
  6. Step 6: Final answer
    x = 19,202.69

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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.