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Finding the Fourth Proportional to 8,481.25, 12,723.02 and 2,933.10

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Solution

The fourth proportional to 8,481.25, 12,723.02 and 2,933.10 is: 4,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.25 : 12,723.02 = 2,933.10 : x
  2. Step 2: Convert to fraction form
    8,481.25/12,723.02 = 2,933.10/x
  3. Step 3: Cross multiply
    8,481.25x = 12,723.02 × 2,933.10
  4. Step 4: Simplify right side
    8,481.25x = 37,317,897.29
  5. Step 5: Solve for x
    x = 37,317,897.29/8,481.25
  6. Step 6: Final answer
    x = 4,400.05

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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.