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Finding the Fourth Proportional to 3,961.16, 5,941.50 and 1,039.46

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Solution

The fourth proportional to 3,961.16, 5,941.50 and 1,039.46 is: 1,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.16 : 5,941.50 = 1,039.46 : x
  2. Step 2: Convert to fraction form
    3,961.16/5,941.50 = 1,039.46/x
  3. Step 3: Cross multiply
    3,961.16x = 5,941.50 × 1,039.46
  4. Step 4: Simplify right side
    3,961.16x = 6,175,951.59
  5. Step 5: Solve for x
    x = 6,175,951.59/3,961.16
  6. Step 6: Final answer
    x = 1,559.13

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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.