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Finding the Fourth Proportional to 3,512.86, 4,847.97 and 1,941.10

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Solution

The fourth proportional to 3,512.86, 4,847.97 and 1,941.10 is: 2,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.86 : 4,847.97 = 1,941.10 : x
  2. Step 2: Convert to fraction form
    3,512.86/4,847.97 = 1,941.10/x
  3. Step 3: Cross multiply
    3,512.86x = 4,847.97 × 1,941.10
  4. Step 4: Simplify right side
    3,512.86x = 9,410,394.57
  5. Step 5: Solve for x
    x = 9,410,394.57/3,512.86
  6. Step 6: Final answer
    x = 2,678.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.