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Finding the Fourth Proportional to 74,563.64, 111,845.46 and 27,182.28

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Solution

The fourth proportional to 74,563.64, 111,845.46 and 27,182.28 is: 40,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,563.64 : 111,845.46 = 27,182.28 : x
  2. Step 2: Convert to fraction form
    74,563.64/111,845.46 = 27,182.28/x
  3. Step 3: Cross multiply
    74,563.64x = 111,845.46 × 27,182.28
  4. Step 4: Simplify right side
    74,563.64x = 3,040,214,610.45
  5. Step 5: Solve for x
    x = 3,040,214,610.45/74,563.64
  6. Step 6: Final answer
    x = 40,773.42

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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.