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Finding the Fourth Proportional to 40,489.83, 60,735.66 and 16,800.99

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Solution

The fourth proportional to 40,489.83, 60,735.66 and 16,800.99 is: 25,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,489.83 : 60,735.66 = 16,800.99 : x
  2. Step 2: Convert to fraction form
    40,489.83/60,735.66 = 16,800.99/x
  3. Step 3: Cross multiply
    40,489.83x = 60,735.66 × 16,800.99
  4. Step 4: Simplify right side
    40,489.83x = 1,020,419,216.30
  5. Step 5: Solve for x
    x = 1,020,419,216.30/40,489.83
  6. Step 6: Final answer
    x = 25,201.86

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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.