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Finding the Fourth Proportional to 3,954.55, 5,934.77 and 1,874.56

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Solution

The fourth proportional to 3,954.55, 5,934.77 and 1,874.56 is: 2,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.55 : 5,934.77 = 1,874.56 : x
  2. Step 2: Convert to fraction form
    3,954.55/5,934.77 = 1,874.56/x
  3. Step 3: Cross multiply
    3,954.55x = 5,934.77 × 1,874.56
  4. Step 4: Simplify right side
    3,954.55x = 11,125,086.06
  5. Step 5: Solve for x
    x = 11,125,086.06/3,954.55
  6. Step 6: Final answer
    x = 2,813.23

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1.5x scale

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.