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Finding the Fourth Proportional to 3,395.32, 5,093.34 and 1,447.72

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Solution

The fourth proportional to 3,395.32, 5,093.34 and 1,447.72 is: 2,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.32 : 5,093.34 = 1,447.72 : x
  2. Step 2: Convert to fraction form
    3,395.32/5,093.34 = 1,447.72/x
  3. Step 3: Cross multiply
    3,395.32x = 5,093.34 × 1,447.72
  4. Step 4: Simplify right side
    3,395.32x = 7,373,730.18
  5. Step 5: Solve for x
    x = 7,373,730.18/3,395.32
  6. Step 6: Final answer
    x = 2,171.73

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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.