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Finding the Fourth Proportional to 17,763, 26,644.98 and 5,451

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Solution

The fourth proportional to 17,763, 26,644.98 and 5,451 is: 8,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763 : 26,644.98 = 5,451 : x
  2. Step 2: Convert to fraction form
    17,763/26,644.98 = 5,451/x
  3. Step 3: Cross multiply
    17,763x = 26,644.98 × 5,451
  4. Step 4: Simplify right side
    17,763x = 145,241,785.98
  5. Step 5: Solve for x
    x = 145,241,785.98/17,763
  6. Step 6: Final answer
    x = 8,176.65

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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.