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Finding the Fourth Proportional to 3,746.05, 5,169.18 and 2,067.05

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Solution

The fourth proportional to 3,746.05, 5,169.18 and 2,067.05 is: 2,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.05 : 5,169.18 = 2,067.05 : x
  2. Step 2: Convert to fraction form
    3,746.05/5,169.18 = 2,067.05/x
  3. Step 3: Cross multiply
    3,746.05x = 5,169.18 × 2,067.05
  4. Step 4: Simplify right side
    3,746.05x = 10,684,974.19
  5. Step 5: Solve for x
    x = 10,684,974.19/3,746.05
  6. Step 6: Final answer
    x = 2,852.33

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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.