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Finding the Fourth Proportional to 21,832.93, 32,749.30 and 6,250.56

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Solution

The fourth proportional to 21,832.93, 32,749.30 and 6,250.56 is: 9,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832.93 : 32,749.30 = 6,250.56 : x
  2. Step 2: Convert to fraction form
    21,832.93/32,749.30 = 6,250.56/x
  3. Step 3: Cross multiply
    21,832.93x = 32,749.30 × 6,250.56
  4. Step 4: Simplify right side
    21,832.93x = 204,701,464.61
  5. Step 5: Solve for x
    x = 204,701,464.61/21,832.93
  6. Step 6: Final answer
    x = 9,375.81

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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.