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Finding the Fourth Proportional to 11,734.76, 16,195.20 and 7,485.92

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Solution

The fourth proportional to 11,734.76, 16,195.20 and 7,485.92 is: 10,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.76 : 16,195.20 = 7,485.92 : x
  2. Step 2: Convert to fraction form
    11,734.76/16,195.20 = 7,485.92/x
  3. Step 3: Cross multiply
    11,734.76x = 16,195.20 × 7,485.92
  4. Step 4: Simplify right side
    11,734.76x = 121,235,971.58
  5. Step 5: Solve for x
    x = 121,235,971.58/11,734.76
  6. Step 6: Final answer
    x = 10,331.36

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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.