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Finding the Fourth Proportional to 48,163.60, 66,462.68 and 26,939.20

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Solution

The fourth proportional to 48,163.60, 66,462.68 and 26,939.20 is: 37,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,163.60 : 66,462.68 = 26,939.20 : x
  2. Step 2: Convert to fraction form
    48,163.60/66,462.68 = 26,939.20/x
  3. Step 3: Cross multiply
    48,163.60x = 66,462.68 × 26,939.20
  4. Step 4: Simplify right side
    48,163.60x = 1,790,451,429.06
  5. Step 5: Solve for x
    x = 1,790,451,429.06/48,163.60
  6. Step 6: Final answer
    x = 37,174.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.