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Finding the Fourth Proportional to 24,375.55, 33,638.34 and 13,197.55

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Solution

The fourth proportional to 24,375.55, 33,638.34 and 13,197.55 is: 18,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,375.55 : 33,638.34 = 13,197.55 : x
  2. Step 2: Convert to fraction form
    24,375.55/33,638.34 = 13,197.55/x
  3. Step 3: Cross multiply
    24,375.55x = 33,638.34 × 13,197.55
  4. Step 4: Simplify right side
    24,375.55x = 443,943,674.07
  5. Step 5: Solve for x
    x = 443,943,674.07/24,375.55
  6. Step 6: Final answer
    x = 18,212.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.