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Finding the Fourth Proportional to 17,963.20, 26,946.02 and 5,483.31

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Solution

The fourth proportional to 17,963.20, 26,946.02 and 5,483.31 is: 8,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.20 : 26,946.02 = 5,483.31 : x
  2. Step 2: Convert to fraction form
    17,963.20/26,946.02 = 5,483.31/x
  3. Step 3: Cross multiply
    17,963.20x = 26,946.02 × 5,483.31
  4. Step 4: Simplify right side
    17,963.20x = 147,753,380.93
  5. Step 5: Solve for x
    x = 147,753,380.93/17,963.20
  6. Step 6: Final answer
    x = 8,225.34

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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.