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Finding the Fourth Proportional to 49,059, 73,589.21 and 13,998.66

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Solution

The fourth proportional to 49,059, 73,589.21 and 13,998.66 is: 20,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,059 : 73,589.21 = 13,998.66 : x
  2. Step 2: Convert to fraction form
    49,059/73,589.21 = 13,998.66/x
  3. Step 3: Cross multiply
    49,059x = 73,589.21 × 13,998.66
  4. Step 4: Simplify right side
    49,059x = 1,030,150,037.00
  5. Step 5: Solve for x
    x = 1,030,150,037.00/49,059
  6. Step 6: Final answer
    x = 20,998.19

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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.