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Finding the Fourth Proportional to 74,392.67, 111,540.50 and 26,998.83

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Solution

The fourth proportional to 74,392.67, 111,540.50 and 26,998.83 is: 40,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,392.67 : 111,540.50 = 26,998.83 : x
  2. Step 2: Convert to fraction form
    74,392.67/111,540.50 = 26,998.83/x
  3. Step 3: Cross multiply
    74,392.67x = 111,540.50 × 26,998.83
  4. Step 4: Simplify right side
    74,392.67x = 3,011,462,997.62
  5. Step 5: Solve for x
    x = 3,011,462,997.62/74,392.67
  6. Step 6: Final answer
    x = 40,480.64

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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.