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Finding the Fourth Proportional to 2,885.70, 4,327.62 and 937.44

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Solution

The fourth proportional to 2,885.70, 4,327.62 and 937.44 is: 1,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.70 : 4,327.62 = 937.44 : x
  2. Step 2: Convert to fraction form
    2,885.70/4,327.62 = 937.44/x
  3. Step 3: Cross multiply
    2,885.70x = 4,327.62 × 937.44
  4. Step 4: Simplify right side
    2,885.70x = 4,056,884.09
  5. Step 5: Solve for x
    x = 4,056,884.09/2,885.70
  6. Step 6: Final answer
    x = 1,405.86

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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.