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Finding the Fourth Proportional to 3,969.96, 5,954.10 and 1,337.22

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Solution

The fourth proportional to 3,969.96, 5,954.10 and 1,337.22 is: 2,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.96 : 5,954.10 = 1,337.22 : x
  2. Step 2: Convert to fraction form
    3,969.96/5,954.10 = 1,337.22/x
  3. Step 3: Cross multiply
    3,969.96x = 5,954.10 × 1,337.22
  4. Step 4: Simplify right side
    3,969.96x = 7,961,941.60
  5. Step 5: Solve for x
    x = 7,961,941.60/3,969.96
  6. Step 6: Final answer
    x = 2,005.55

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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.