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Finding the Fourth Proportional to 3,671.41, 5,066.55 and 1,992.81

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Solution

The fourth proportional to 3,671.41, 5,066.55 and 1,992.81 is: 2,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.41 : 5,066.55 = 1,992.81 : x
  2. Step 2: Convert to fraction form
    3,671.41/5,066.55 = 1,992.81/x
  3. Step 3: Cross multiply
    3,671.41x = 5,066.55 × 1,992.81
  4. Step 4: Simplify right side
    3,671.41x = 10,096,693.00
  5. Step 5: Solve for x
    x = 10,096,693.00/3,671.41
  6. Step 6: Final answer
    x = 2,750.09

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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.