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Finding the Fourth Proportional to 74,201.96, 111,309.84 and 26,828.92

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Solution

The fourth proportional to 74,201.96, 111,309.84 and 26,828.92 is: 40,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,201.96 : 111,309.84 = 26,828.92 : x
  2. Step 2: Convert to fraction form
    74,201.96/111,309.84 = 26,828.92/x
  3. Step 3: Cross multiply
    74,201.96x = 111,309.84 × 26,828.92
  4. Step 4: Simplify right side
    74,201.96x = 2,986,322,792.57
  5. Step 5: Solve for x
    x = 2,986,322,792.57/74,201.96
  6. Step 6: Final answer
    x = 40,245.87

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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.