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Finding the Fourth Proportional to 3,864.66, 5,793.96 and 1,671.90

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Solution

The fourth proportional to 3,864.66, 5,793.96 and 1,671.90 is: 2,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.66 : 5,793.96 = 1,671.90 : x
  2. Step 2: Convert to fraction form
    3,864.66/5,793.96 = 1,671.90/x
  3. Step 3: Cross multiply
    3,864.66x = 5,793.96 × 1,671.90
  4. Step 4: Simplify right side
    3,864.66x = 9,686,921.72
  5. Step 5: Solve for x
    x = 9,686,921.72/3,864.66
  6. Step 6: Final answer
    x = 2,506.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.