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Finding the Fourth Proportional to 16,793, 25,189.58 and 4,481

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Solution

The fourth proportional to 16,793, 25,189.58 and 4,481 is: 6,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,793 : 25,189.58 = 4,481 : x
  2. Step 2: Convert to fraction form
    16,793/25,189.58 = 4,481/x
  3. Step 3: Cross multiply
    16,793x = 25,189.58 × 4,481
  4. Step 4: Simplify right side
    16,793x = 112,874,507.98
  5. Step 5: Solve for x
    x = 112,874,507.98/16,793
  6. Step 6: Final answer
    x = 6,721.52

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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.