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Finding the Fourth Proportional to 73,873.50, 110,810.25 and 18,469.50

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Solution

The fourth proportional to 73,873.50, 110,810.25 and 18,469.50 is: 27,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,873.50 : 110,810.25 = 18,469.50 : x
  2. Step 2: Convert to fraction form
    73,873.50/110,810.25 = 18,469.50/x
  3. Step 3: Cross multiply
    73,873.50x = 110,810.25 × 18,469.50
  4. Step 4: Simplify right side
    73,873.50x = 2,046,609,912.38
  5. Step 5: Solve for x
    x = 2,046,609,912.38/73,873.50
  6. Step 6: Final answer
    x = 27,704.25

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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.