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Finding the Fourth Proportional to 14,791.48, 22,180.74 and 5,551

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Solution

The fourth proportional to 14,791.48, 22,180.74 and 5,551 is: 8,324.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791.48 : 22,180.74 = 5,551 : x
  2. Step 2: Convert to fraction form
    14,791.48/22,180.74 = 5,551/x
  3. Step 3: Cross multiply
    14,791.48x = 22,180.74 × 5,551
  4. Step 4: Simplify right side
    14,791.48x = 123,125,287.74
  5. Step 5: Solve for x
    x = 123,125,287.74/14,791.48
  6. Step 6: Final answer
    x = 8,324.07

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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.