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Finding the Fourth Proportional to 4,671.70, 7,000.24 and 2,936.68

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Solution

The fourth proportional to 4,671.70, 7,000.24 and 2,936.68 is: 4,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.70 : 7,000.24 = 2,936.68 : x
  2. Step 2: Convert to fraction form
    4,671.70/7,000.24 = 2,936.68/x
  3. Step 3: Cross multiply
    4,671.70x = 7,000.24 × 2,936.68
  4. Step 4: Simplify right side
    4,671.70x = 20,557,464.80
  5. Step 5: Solve for x
    x = 20,557,464.80/4,671.70
  6. Step 6: Final answer
    x = 4,400.42

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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.