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Finding the Fourth Proportional to 11,932.55, 16,454.08 and 7,454.67

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Solution

The fourth proportional to 11,932.55, 16,454.08 and 7,454.67 is: 10,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.55 : 16,454.08 = 7,454.67 : x
  2. Step 2: Convert to fraction form
    11,932.55/16,454.08 = 7,454.67/x
  3. Step 3: Cross multiply
    11,932.55x = 16,454.08 × 7,454.67
  4. Step 4: Simplify right side
    11,932.55x = 122,659,684.17
  5. Step 5: Solve for x
    x = 122,659,684.17/11,932.55
  6. Step 6: Final answer
    x = 10,279.42

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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.