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Finding the Fourth Proportional to 4,881.53, 7,305.27 and 3,993.77

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Solution

The fourth proportional to 4,881.53, 7,305.27 and 3,993.77 is: 5,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.53 : 7,305.27 = 3,993.77 : x
  2. Step 2: Convert to fraction form
    4,881.53/7,305.27 = 3,993.77/x
  3. Step 3: Cross multiply
    4,881.53x = 7,305.27 × 3,993.77
  4. Step 4: Simplify right side
    4,881.53x = 29,175,568.17
  5. Step 5: Solve for x
    x = 29,175,568.17/4,881.53
  6. Step 6: Final answer
    x = 5,976.73

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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.