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Finding the Fourth Proportional to 49,121.40, 73,645.65 and 15,822.30

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Solution

The fourth proportional to 49,121.40, 73,645.65 and 15,822.30 is: 23,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,121.40 : 73,645.65 = 15,822.30 : x
  2. Step 2: Convert to fraction form
    49,121.40/73,645.65 = 15,822.30/x
  3. Step 3: Cross multiply
    49,121.40x = 73,645.65 × 15,822.30
  4. Step 4: Simplify right side
    49,121.40x = 1,165,243,568.00
  5. Step 5: Solve for x
    x = 1,165,243,568.00/49,121.40
  6. Step 6: Final answer
    x = 23,721.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.