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Finding the Fourth Proportional to 17,757.31, 26,629.04 and 6,657.95

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Solution

The fourth proportional to 17,757.31, 26,629.04 and 6,657.95 is: 9,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.31 : 26,629.04 = 6,657.95 : x
  2. Step 2: Convert to fraction form
    17,757.31/26,629.04 = 6,657.95/x
  3. Step 3: Cross multiply
    17,757.31x = 26,629.04 × 6,657.95
  4. Step 4: Simplify right side
    17,757.31x = 177,294,650.43
  5. Step 5: Solve for x
    x = 177,294,650.43/17,757.31
  6. Step 6: Final answer
    x = 9,984.32

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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.