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Finding the Fourth Proportional to 27,227.37, 40,840.98 and 7,238.87

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Solution

The fourth proportional to 27,227.37, 40,840.98 and 7,238.87 is: 10,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,227.37 : 40,840.98 = 7,238.87 : x
  2. Step 2: Convert to fraction form
    27,227.37/40,840.98 = 7,238.87/x
  3. Step 3: Cross multiply
    27,227.37x = 40,840.98 × 7,238.87
  4. Step 4: Simplify right side
    27,227.37x = 295,642,466.70
  5. Step 5: Solve for x
    x = 295,642,466.70/27,227.37
  6. Step 6: Final answer
    x = 10,858.28

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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.