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Finding the Fourth Proportional to 3,671.44, 5,066.62 and 1,992.86

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Solution

The fourth proportional to 3,671.44, 5,066.62 and 1,992.86 is: 2,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.44 : 5,066.62 = 1,992.86 : x
  2. Step 2: Convert to fraction form
    3,671.44/5,066.62 = 1,992.86/x
  3. Step 3: Cross multiply
    3,671.44x = 5,066.62 × 1,992.86
  4. Step 4: Simplify right side
    3,671.44x = 10,097,056.75
  5. Step 5: Solve for x
    x = 10,097,056.75/3,671.44
  6. Step 6: Final answer
    x = 2,750.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.