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Finding the Fourth Proportional to 7,481.00, 10,323.78 and 4,123.87

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Solution

The fourth proportional to 7,481.00, 10,323.78 and 4,123.87 is: 5,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.00 : 10,323.78 = 4,123.87 : x
  2. Step 2: Convert to fraction form
    7,481.00/10,323.78 = 4,123.87/x
  3. Step 3: Cross multiply
    7,481.00x = 10,323.78 × 4,123.87
  4. Step 4: Simplify right side
    7,481.00x = 42,573,885.35
  5. Step 5: Solve for x
    x = 42,573,885.35/7,481.00
  6. Step 6: Final answer
    x = 5,690.94

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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.