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Finding the Fourth Proportional to 3,663.72, 5,056.00 and 2,091.83

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Solution

The fourth proportional to 3,663.72, 5,056.00 and 2,091.83 is: 2,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.72 : 5,056.00 = 2,091.83 : x
  2. Step 2: Convert to fraction form
    3,663.72/5,056.00 = 2,091.83/x
  3. Step 3: Cross multiply
    3,663.72x = 5,056.00 × 2,091.83
  4. Step 4: Simplify right side
    3,663.72x = 10,576,261.97
  5. Step 5: Solve for x
    x = 10,576,261.97/3,663.72
  6. Step 6: Final answer
    x = 2,886.75

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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.