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Finding the Fourth Proportional to 10,077.92, 15,123.60 and 3,843.68

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Solution

The fourth proportional to 10,077.92, 15,123.60 and 3,843.68 is: 5,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.92 : 15,123.60 = 3,843.68 : x
  2. Step 2: Convert to fraction form
    10,077.92/15,123.60 = 3,843.68/x
  3. Step 3: Cross multiply
    10,077.92x = 15,123.60 × 3,843.68
  4. Step 4: Simplify right side
    10,077.92x = 58,130,278.85
  5. Step 5: Solve for x
    x = 58,130,278.85/10,077.92
  6. Step 6: Final answer
    x = 5,768.08

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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.