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Finding the Fourth Proportional to 32,791.50, 49,187.43 and 8,167.50

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Solution

The fourth proportional to 32,791.50, 49,187.43 and 8,167.50 is: 12,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,791.50 : 49,187.43 = 8,167.50 : x
  2. Step 2: Convert to fraction form
    32,791.50/49,187.43 = 8,167.50/x
  3. Step 3: Cross multiply
    32,791.50x = 49,187.43 × 8,167.50
  4. Step 4: Simplify right side
    32,791.50x = 401,738,334.53
  5. Step 5: Solve for x
    x = 401,738,334.53/32,791.50
  6. Step 6: Final answer
    x = 12,251.29

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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.