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Finding the Fourth Proportional to 10,692, 14,755.72 and 5,912.34

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Solution

The fourth proportional to 10,692, 14,755.72 and 5,912.34 is: 8,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692 : 14,755.72 = 5,912.34 : x
  2. Step 2: Convert to fraction form
    10,692/14,755.72 = 5,912.34/x
  3. Step 3: Cross multiply
    10,692x = 14,755.72 × 5,912.34
  4. Step 4: Simplify right side
    10,692x = 87,240,857.56
  5. Step 5: Solve for x
    x = 87,240,857.56/10,692
  6. Step 6: Final answer
    x = 8,159.45

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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.