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Finding the Fourth Proportional to 3,962.90, 5,944.40 and 1,883.12

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Solution

The fourth proportional to 3,962.90, 5,944.40 and 1,883.12 is: 2,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.90 : 5,944.40 = 1,883.12 : x
  2. Step 2: Convert to fraction form
    3,962.90/5,944.40 = 1,883.12/x
  3. Step 3: Cross multiply
    3,962.90x = 5,944.40 × 1,883.12
  4. Step 4: Simplify right side
    3,962.90x = 11,193,997.04
  5. Step 5: Solve for x
    x = 11,193,997.04/3,962.90
  6. Step 6: Final answer
    x = 2,824.70

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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.