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Finding the Fourth Proportional to 12,476.33, 18,697.32 and 5,462.21

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Solution

The fourth proportional to 12,476.33, 18,697.32 and 5,462.21 is: 8,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.33 : 18,697.32 = 5,462.21 : x
  2. Step 2: Convert to fraction form
    12,476.33/18,697.32 = 5,462.21/x
  3. Step 3: Cross multiply
    12,476.33x = 18,697.32 × 5,462.21
  4. Step 4: Simplify right side
    12,476.33x = 102,128,697.80
  5. Step 5: Solve for x
    x = 102,128,697.80/12,476.33
  6. Step 6: Final answer
    x = 8,185.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.