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Finding the Fourth Proportional to 17,751.96, 26,629.48 and 5,903.28

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Solution

The fourth proportional to 17,751.96, 26,629.48 and 5,903.28 is: 8,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.96 : 26,629.48 = 5,903.28 : x
  2. Step 2: Convert to fraction form
    17,751.96/26,629.48 = 5,903.28/x
  3. Step 3: Cross multiply
    17,751.96x = 26,629.48 × 5,903.28
  4. Step 4: Simplify right side
    17,751.96x = 157,201,276.69
  5. Step 5: Solve for x
    x = 157,201,276.69/17,751.96
  6. Step 6: Final answer
    x = 8,855.43

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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.