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Finding the Fourth Proportional to 18,849, 28,273.50 and 5,701.08

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Solution

The fourth proportional to 18,849, 28,273.50 and 5,701.08 is: 8,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849 : 28,273.50 = 5,701.08 : x
  2. Step 2: Convert to fraction form
    18,849/28,273.50 = 5,701.08/x
  3. Step 3: Cross multiply
    18,849x = 28,273.50 × 5,701.08
  4. Step 4: Simplify right side
    18,849x = 161,189,485.38
  5. Step 5: Solve for x
    x = 161,189,485.38/18,849
  6. Step 6: Final answer
    x = 8,551.62

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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.